Finding the Fourth Proportional to 88,304.10, 132,456.15 and 83,811.30

Step by Step Solution

1. Step 1: Write the proportion equation
   88,304.10 : 132,456.15 = 83,811.30 : x
2. Step 2: Convert to fraction form
   88,304.10/132,456.15 = 83,811.30/x
3. Step 3: Cross multiply
   88,304.10x = 132,456.15 × 83,811.30
4. Step 4: Simplify right side
   88,304.10x = 11,101,322,124.50
5. Step 5: Solve for x
   x = 11,101,322,124.50/88,304.10
6. Step 6: Final answer
   x = 125,716.95