Finding the Fourth Proportional to 88,371.72, 132,553.89 and 60,221.43

Step by Step Solution

1. Step 1: Write the proportion equation
   88,371.72 : 132,553.89 = 60,221.43 : x
2. Step 2: Convert to fraction form
   88,371.72/132,553.89 = 60,221.43/x
3. Step 3: Cross multiply
   88,371.72x = 132,553.89 × 60,221.43
4. Step 4: Simplify right side
   88,371.72x = 7,982,584,807.86
5. Step 5: Solve for x
   x = 7,982,584,807.86/88,371.72
6. Step 6: Final answer
   x = 90,329.63