Finding the Fourth Proportional to 22,332.31, 33,499.37 and 7,542.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,332.31 : 33,499.37 = 7,542.72 : x
2. Step 2: Convert to fraction form
   22,332.31/33,499.37 = 7,542.72/x
3. Step 3: Cross multiply
   22,332.31x = 33,499.37 × 7,542.72
4. Step 4: Simplify right side
   22,332.31x = 252,676,386.94
5. Step 5: Solve for x
   x = 252,676,386.94/22,332.31
6. Step 6: Final answer
   x = 11,314.39