Finding the Fourth Proportional to 87,100.92, 130,676.22 and 42,740.46

Step by Step Solution

1. Step 1: Write the proportion equation
   87,100.92 : 130,676.22 = 42,740.46 : x
2. Step 2: Convert to fraction form
   87,100.92/130,676.22 = 42,740.46/x
3. Step 3: Cross multiply
   87,100.92x = 130,676.22 × 42,740.46
4. Step 4: Simplify right side
   87,100.92x = 5,585,161,753.86
5. Step 5: Solve for x
   x = 5,585,161,753.86/87,100.92
6. Step 6: Final answer
   x = 64,122.88