Finding the Fourth Proportional to 10,890.52, 15,025.18 and 7,532.08

Step by Step Solution

1. Step 1: Write the proportion equation
   10,890.52 : 15,025.18 = 7,532.08 : x
2. Step 2: Convert to fraction form
   10,890.52/15,025.18 = 7,532.08/x
3. Step 3: Cross multiply
   10,890.52x = 15,025.18 × 7,532.08
4. Step 4: Simplify right side
   10,890.52x = 113,170,857.77
5. Step 5: Solve for x
   x = 113,170,857.77/10,890.52
6. Step 6: Final answer
   x = 10,391.69