Finding the Fourth Proportional to 105,882.71, 146,120.49 and 58,136.24

Step by Step Solution

1. Step 1: Write the proportion equation
   105,882.71 : 146,120.49 = 58,136.24 : x
2. Step 2: Convert to fraction form
   105,882.71/146,120.49 = 58,136.24/x
3. Step 3: Cross multiply
   105,882.71x = 146,120.49 × 58,136.24
4. Step 4: Simplify right side
   105,882.71x = 8,494,896,240.86
5. Step 5: Solve for x
   x = 8,494,896,240.86/105,882.71
6. Step 6: Final answer
   x = 80,229.31