Finding the Fourth Proportional to 88,442.31, 132,727.59 and 66,315.27

Step by Step Solution

1. Step 1: Write the proportion equation
   88,442.31 : 132,727.59 = 66,315.27 : x
2. Step 2: Convert to fraction form
   88,442.31/132,727.59 = 66,315.27/x
3. Step 3: Cross multiply
   88,442.31x = 132,727.59 × 66,315.27
4. Step 4: Simplify right side
   88,442.31x = 8,801,865,967.30
5. Step 5: Solve for x
   x = 8,801,865,967.30/88,442.31
6. Step 6: Final answer
   x = 99,520.99