Finding the Fourth Proportional to 757.29, 1,044.72 and 462.50

Step by Step Solution

1. Step 1: Write the proportion equation
   757.29 : 1,044.72 = 462.50 : x
2. Step 2: Convert to fraction form
   757.29/1,044.72 = 462.50/x
3. Step 3: Cross multiply
   757.29x = 1,044.72 × 462.50
4. Step 4: Simplify right side
   757.29x = 483,185.61
5. Step 5: Solve for x
   x = 483,185.61/757.29
6. Step 6: Final answer
   x = 638.05