Finding the Fourth Proportional to 1,500.57, 2,252.30 and 731.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,500.57 : 2,252.30 = 731.61 : x
2. Step 2: Convert to fraction form
   1,500.57/2,252.30 = 731.61/x
3. Step 3: Cross multiply
   1,500.57x = 2,252.30 × 731.61
4. Step 4: Simplify right side
   1,500.57x = 1,647,801.54
5. Step 5: Solve for x
   x = 1,647,801.54/1,500.57
6. Step 6: Final answer
   x = 1,098.12