Finding the Fourth Proportional to 88,506.64, 132,621.72 and 75,304.72

Step by Step Solution

1. Step 1: Write the proportion equation
   88,506.64 : 132,621.72 = 75,304.72 : x
2. Step 2: Convert to fraction form
   88,506.64/132,621.72 = 75,304.72/x
3. Step 3: Cross multiply
   88,506.64x = 132,621.72 × 75,304.72
4. Step 4: Simplify right side
   88,506.64x = 9,987,041,490.52
5. Step 5: Solve for x
   x = 9,987,041,490.52/88,506.64
6. Step 6: Final answer
   x = 112,839.46