Finding the Fourth Proportional to 131,663.76, 197,452.72 and 42,895.92

Step by Step Solution

1. Step 1: Write the proportion equation
   131,663.76 : 197,452.72 = 42,895.92 : x
2. Step 2: Convert to fraction form
   131,663.76/197,452.72 = 42,895.92/x
3. Step 3: Cross multiply
   131,663.76x = 197,452.72 × 42,895.92
4. Step 4: Simplify right side
   131,663.76x = 8,469,916,080.90
5. Step 5: Solve for x
   x = 8,469,916,080.90/131,663.76
6. Step 6: Final answer
   x = 64,329.90