Finding the Fourth Proportional to 88,399.27, 132,598.91 and 72,784.09

Step by Step Solution

1. Step 1: Write the proportion equation
   88,399.27 : 132,598.91 = 72,784.09 : x
2. Step 2: Convert to fraction form
   88,399.27/132,598.91 = 72,784.09/x
3. Step 3: Cross multiply
   88,399.27x = 132,598.91 × 72,784.09
4. Step 4: Simplify right side
   88,399.27x = 9,651,090,999.34
5. Step 5: Solve for x
   x = 9,651,090,999.34/88,399.27
6. Step 6: Final answer
   x = 109,176.14