Finding the Fourth Proportional to 150,358.31, 207,494.43 and 82,377.69

Step by Step Solution

1. Step 1: Write the proportion equation
   150,358.31 : 207,494.43 = 82,377.69 : x
2. Step 2: Convert to fraction form
   150,358.31/207,494.43 = 82,377.69/x
3. Step 3: Cross multiply
   150,358.31x = 207,494.43 × 82,377.69
4. Step 4: Simplify right side
   150,358.31x = 17,092,911,831.27
5. Step 5: Solve for x
   x = 17,092,911,831.27/150,358.31
6. Step 6: Final answer
   x = 113,681.20