Finding the Fourth Proportional to 150,626.28, 207,857.25 and 82,641.72

Step by Step Solution

1. Step 1: Write the proportion equation
   150,626.28 : 207,857.25 = 82,641.72 : x
2. Step 2: Convert to fraction form
   150,626.28/207,857.25 = 82,641.72/x
3. Step 3: Cross multiply
   150,626.28x = 207,857.25 × 82,641.72
4. Step 4: Simplify right side
   150,626.28x = 17,177,680,654.47
5. Step 5: Solve for x
   x = 17,177,680,654.47/150,626.28
6. Step 6: Final answer
   x = 114,041.72