Finding the Fourth Proportional to 1,513.29, 2,265.60 and 1,025.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,513.29 : 2,265.60 = 1,025.47 : x
2. Step 2: Convert to fraction form
   1,513.29/2,265.60 = 1,025.47/x
3. Step 3: Cross multiply
   1,513.29x = 2,265.60 × 1,025.47
4. Step 4: Simplify right side
   1,513.29x = 2,323,304.83
5. Step 5: Solve for x
   x = 2,323,304.83/1,513.29
6. Step 6: Final answer
   x = 1,535.27