Finding the Fourth Proportional to 150,088.40, 207,113.28 and 82,092.72

Step by Step Solution

1. Step 1: Write the proportion equation
   150,088.40 : 207,113.28 = 82,092.72 : x
2. Step 2: Convert to fraction form
   150,088.40/207,113.28 = 82,092.72/x
3. Step 3: Cross multiply
   150,088.40x = 207,113.28 × 82,092.72
4. Step 4: Simplify right side
   150,088.40x = 17,002,492,503.32
5. Step 5: Solve for x
   x = 17,002,492,503.32/150,088.40
6. Step 6: Final answer
   x = 113,283.19