Finding the Fourth Proportional to 88,315.27, 132,528.44 and 82,641.03

Step by Step Solution

1. Step 1: Write the proportion equation
   88,315.27 : 132,528.44 = 82,641.03 : x
2. Step 2: Convert to fraction form
   88,315.27/132,528.44 = 82,641.03/x
3. Step 3: Cross multiply
   88,315.27x = 132,528.44 × 82,641.03
4. Step 4: Simplify right side
   88,315.27x = 10,952,286,785.89
5. Step 5: Solve for x
   x = 10,952,286,785.89/88,315.27
6. Step 6: Final answer
   x = 124,013.51