Finding the Fourth Proportional to 88,510.66, 132,671.42 and 35,128.72

Step by Step Solution

1. Step 1: Write the proportion equation
   88,510.66 : 132,671.42 = 35,128.72 : x
2. Step 2: Convert to fraction form
   88,510.66/132,671.42 = 35,128.72/x
3. Step 3: Cross multiply
   88,510.66x = 132,671.42 × 35,128.72
4. Step 4: Simplify right side
   88,510.66x = 4,660,577,287.11
5. Step 5: Solve for x
   x = 4,660,577,287.11/88,510.66
6. Step 6: Final answer
   x = 52,655.55