Finding the Fourth Proportional to 88,314.27, 132,526.94 and 82,640.03

Step by Step Solution

1. Step 1: Write the proportion equation
   88,314.27 : 132,526.94 = 82,640.03 : x
2. Step 2: Convert to fraction form
   88,314.27/132,526.94 = 82,640.03/x
3. Step 3: Cross multiply
   88,314.27x = 132,526.94 × 82,640.03
4. Step 4: Simplify right side
   88,314.27x = 10,952,029,221.57
5. Step 5: Solve for x
   x = 10,952,029,221.57/88,314.27
6. Step 6: Final answer
   x = 124,012.00