Finding the Fourth Proportional to 151,499.28, 209,446.92 and 113,707.92

Step by Step Solution

1. Step 1: Write the proportion equation
   151,499.28 : 209,446.92 = 113,707.92 : x
2. Step 2: Convert to fraction form
   151,499.28/209,446.92 = 113,707.92/x
3. Step 3: Cross multiply
   151,499.28x = 209,446.92 × 113,707.92
4. Step 4: Simplify right side
   151,499.28x = 23,815,773,623.61
5. Step 5: Solve for x
   x = 23,815,773,623.61/151,499.28
6. Step 6: Final answer
   x = 157,200.57