To multiply \( \frac{4}{9} \) by 54, you can simply multiply the numerator by the whole number and then divide by the denominator:
\[ \frac{4 \times 54}{9} \]
Calculating \( 4 \times 54 \):
\[ 4 \times 54 = 216 \]
Now divide by 9:
\[ \frac{216}{9} = 24 \]
So, \( \frac{4}{9} \times 54 = 24 \).