Finding the Fourth Proportional to 150,641.28, 207,877.95 and 82,656.72

Step by Step Solution

1. Step 1: Write the proportion equation
   150,641.28 : 207,877.95 = 82,656.72 : x
2. Step 2: Convert to fraction form
   150,641.28/207,877.95 = 82,656.72/x
3. Step 3: Cross multiply
   150,641.28x = 207,877.95 × 82,656.72
4. Step 4: Simplify right side
   150,641.28x = 17,182,509,507.32
5. Step 5: Solve for x
   x = 17,182,509,507.32/150,641.28
6. Step 6: Final answer
   x = 114,062.42