Finding the Fourth Proportional to 88,604.16, 132,780.96 and 75,404.16

Step by Step Solution

1. Step 1: Write the proportion equation
   88,604.16 : 132,780.96 = 75,404.16 : x
2. Step 2: Convert to fraction form
   88,604.16/132,780.96 = 75,404.16/x
3. Step 3: Cross multiply
   88,604.16x = 132,780.96 × 75,404.16
4. Step 4: Simplify right side
   88,604.16x = 10,012,236,752.79
5. Step 5: Solve for x
   x = 10,012,236,752.79/88,604.16
6. Step 6: Final answer
   x = 112,999.62