Finding the Fourth Proportional to 60,131.98, 82,976.48 and 40,711.38

Step by Step Solution

1. Step 1: Write the proportion equation
   60,131.98 : 82,976.48 = 40,711.38 : x
2. Step 2: Convert to fraction form
   60,131.98/82,976.48 = 40,711.38/x
3. Step 3: Cross multiply
   60,131.98x = 82,976.48 × 40,711.38
4. Step 4: Simplify right side
   60,131.98x = 3,378,087,008.34
5. Step 5: Solve for x
   x = 3,378,087,008.34/60,131.98
6. Step 6: Final answer
   x = 56,177.88