Finding the Fourth Proportional to 88,100.71, 132,151.21 and 21,540.87

Step by Step Solution

1. Step 1: Write the proportion equation
   88,100.71 : 132,151.21 = 21,540.87 : x
2. Step 2: Convert to fraction form
   88,100.71/132,151.21 = 21,540.87/x
3. Step 3: Cross multiply
   88,100.71x = 132,151.21 × 21,540.87
4. Step 4: Simplify right side
   88,100.71x = 2,846,651,981.10
5. Step 5: Solve for x
   x = 2,846,651,981.10/88,100.71
6. Step 6: Final answer
   x = 32,311.34