Finding the Fourth Proportional to 150,375.72, 207,508.86 and 82,391.88

Step by Step Solution

1. Step 1: Write the proportion equation
   150,375.72 : 207,508.86 = 82,391.88 : x
2. Step 2: Convert to fraction form
   150,375.72/207,508.86 = 82,391.88/x
3. Step 3: Cross multiply
   150,375.72x = 207,508.86 × 82,391.88
4. Step 4: Simplify right side
   150,375.72x = 17,097,045,092.06
5. Step 5: Solve for x
   x = 17,097,045,092.06/150,375.72
6. Step 6: Final answer
   x = 113,695.52