Finding the Fourth Proportional to 131,234.31, 196,882.82 and 42,487.91

Step by Step Solution

1. Step 1: Write the proportion equation
   131,234.31 : 196,882.82 = 42,487.91 : x
2. Step 2: Convert to fraction form
   131,234.31/196,882.82 = 42,487.91/x
3. Step 3: Cross multiply
   131,234.31x = 196,882.82 × 42,487.91
4. Step 4: Simplify right side
   131,234.31x = 8,365,139,237.49
5. Step 5: Solve for x
   x = 8,365,139,237.49/131,234.31
6. Step 6: Final answer
   x = 63,742.01