Finding the Fourth Proportional to 131,571.55, 197,359.17 and 42,825.52

Step by Step Solution

1. Step 1: Write the proportion equation
   131,571.55 : 197,359.17 = 42,825.52 : x
2. Step 2: Convert to fraction form
   131,571.55/197,359.17 = 42,825.52/x
3. Step 3: Cross multiply
   131,571.55x = 197,359.17 × 42,825.52
4. Step 4: Simplify right side
   131,571.55x = 8,452,009,082.02
5. Step 5: Solve for x
   x = 8,452,009,082.02/131,571.55
6. Step 6: Final answer
   x = 64,238.88