Finding the Fourth Proportional to 88,143.08, 132,267.15 and 31,987.57

Step by Step Solution

1. Step 1: Write the proportion equation
   88,143.08 : 132,267.15 = 31,987.57 : x
2. Step 2: Convert to fraction form
   88,143.08/132,267.15 = 31,987.57/x
3. Step 3: Cross multiply
   88,143.08x = 132,267.15 × 31,987.57
4. Step 4: Simplify right side
   88,143.08x = 4,230,904,719.33
5. Step 5: Solve for x
   x = 4,230,904,719.33/88,143.08
6. Step 6: Final answer
   x = 48,000.42