Finding the Fourth Proportional to 11,499.57, 15,869.85 and 7,025.34

Step by Step Solution

1. Step 1: Write the proportion equation
   11,499.57 : 15,869.85 = 7,025.34 : x
2. Step 2: Convert to fraction form
   11,499.57/15,869.85 = 7,025.34/x
3. Step 3: Cross multiply
   11,499.57x = 15,869.85 × 7,025.34
4. Step 4: Simplify right side
   11,499.57x = 111,491,092.00
5. Step 5: Solve for x
   x = 111,491,092.00/11,499.57
6. Step 6: Final answer
   x = 9,695.24