Finding the Fourth Proportional to 88,050.90, 132,096.50 and 38,139.31

Step by Step Solution

1. Step 1: Write the proportion equation
   88,050.90 : 132,096.50 = 38,139.31 : x
2. Step 2: Convert to fraction form
   88,050.90/132,096.50 = 38,139.31/x
3. Step 3: Cross multiply
   88,050.90x = 132,096.50 × 38,139.31
4. Step 4: Simplify right side
   88,050.90x = 5,038,069,363.42
5. Step 5: Solve for x
   x = 5,038,069,363.42/88,050.90
6. Step 6: Final answer
   x = 57,217.69