Finding the Fourth Proportional to 150,671.09, 207,925.46 and 82,689.17

Step by Step Solution

1. Step 1: Write the proportion equation
   150,671.09 : 207,925.46 = 82,689.17 : x
2. Step 2: Convert to fraction form
   150,671.09/207,925.46 = 82,689.17/x
3. Step 3: Cross multiply
   150,671.09x = 207,925.46 × 82,689.17
4. Step 4: Simplify right side
   150,671.09x = 17,193,182,333.72
5. Step 5: Solve for x
   x = 17,193,182,333.72/150,671.09
6. Step 6: Final answer
   x = 114,110.69