Finding the Fourth Proportional to 150,112.50, 207,156.06 and 82,130.28

Step by Step Solution

1. Step 1: Write the proportion equation
   150,112.50 : 207,156.06 = 82,130.28 : x
2. Step 2: Convert to fraction form
   150,112.50/207,156.06 = 82,130.28/x
3. Step 3: Cross multiply
   150,112.50x = 207,156.06 × 82,130.28
4. Step 4: Simplify right side
   150,112.50x = 17,013,785,211.50
5. Step 5: Solve for x
   x = 17,013,785,211.50/150,112.50
6. Step 6: Final answer
   x = 113,340.23