Finding the Fourth Proportional to 150,301.18, 207,418.76 and 82,321.02

Step by Step Solution

1. Step 1: Write the proportion equation
   150,301.18 : 207,418.76 = 82,321.02 : x
2. Step 2: Convert to fraction form
   150,301.18/207,418.76 = 82,321.02/x
3. Step 3: Cross multiply
   150,301.18x = 207,418.76 × 82,321.02
4. Step 4: Simplify right side
   150,301.18x = 17,074,923,787.43
5. Step 5: Solve for x
   x = 17,074,923,787.43/150,301.18
6. Step 6: Final answer
   x = 113,604.72