Finding the Fourth Proportional to 88,740.18, 132,340.55 and 75,676.50

Step by Step Solution

1. Step 1: Write the proportion equation
   88,740.18 : 132,340.55 = 75,676.50 : x
2. Step 2: Convert to fraction form
   88,740.18/132,340.55 = 75,676.50/x
3. Step 3: Cross multiply
   88,740.18x = 132,340.55 × 75,676.50
4. Step 4: Simplify right side
   88,740.18x = 10,015,069,253.69
5. Step 5: Solve for x
   x = 10,015,069,253.69/88,740.18
6. Step 6: Final answer
   x = 112,858.34