Finding the Fourth Proportional to 150,418.50, 207,579.83 and 82,434.92

Step by Step Solution

1. Step 1: Write the proportion equation
   150,418.50 : 207,579.83 = 82,434.92 : x
2. Step 2: Convert to fraction form
   150,418.50/207,579.83 = 82,434.92/x
3. Step 3: Cross multiply
   150,418.50x = 207,579.83 × 82,434.92
4. Step 4: Simplify right side
   150,418.50x = 17,111,826,267.49
5. Step 5: Solve for x
   x = 17,111,826,267.49/150,418.50
6. Step 6: Final answer
   x = 113,761.45