Finding the Fourth Proportional to 88,470.59, 132,064.38 and 81,885.22

Step by Step Solution

1. Step 1: Write the proportion equation
   88,470.59 : 132,064.38 = 81,885.22 : x
2. Step 2: Convert to fraction form
   88,470.59/132,064.38 = 81,885.22/x
3. Step 3: Cross multiply
   88,470.59x = 132,064.38 × 81,885.22
4. Step 4: Simplify right side
   88,470.59x = 10,814,120,480.30
5. Step 5: Solve for x
   x = 10,814,120,480.30/88,470.59
6. Step 6: Final answer
   x = 122,234.08