To estimate the product of \( 53 \times 73.35 \), you can round \( 73.35 \) to a more manageable number. A good estimate would be \( 70 \).
Now, calculate the estimated product:
\[ 53 \times 70 = 3710 \]
Thus, an estimate of \( 53 \times 73.3503 \) is approximately 3710.