To simplify the expression \( 4 \cdot 8 \sqrt{5} \cdot 3 \sqrt{32} \), we can follow these steps:
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Multiply the coefficients: \[ 4 \cdot 8 \cdot 3 = 96 \]
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Simplify the radicals:
- Start with \( \sqrt{32} \): \[ \sqrt{32} = \sqrt{16 \cdot 2} = \sqrt{16} \cdot \sqrt{2} = 4\sqrt{2} \]
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Substituting \( \sqrt{32} \) into the expression: \[ 4 \cdot 8 \sqrt{5} \cdot 3 \cdot 4\sqrt{2} = 4 \cdot 8 \cdot 3 \cdot 4 \cdot \sqrt{5} \cdot \sqrt{2} \]
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Multiply the coefficients again: \[ 4 \cdot 8 \cdot 3 \cdot 4 = 384 \]
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Combine the radicals: \[ \sqrt{5} \cdot \sqrt{2} = \sqrt{10} \]
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Combine the final result: \[ 384\sqrt{10} \]
Thus, the product in its simplest radical form is: \[ \boxed{384\sqrt{10}} \]