Finding the Fourth Proportional to 114,690.24, 158,215.52 and 99,562.72

Step by Step Solution

1. Step 1: Write the proportion equation
   114,690.24 : 158,215.52 = 99,562.72 : x
2. Step 2: Convert to fraction form
   114,690.24/158,215.52 = 99,562.72/x
3. Step 3: Cross multiply
   114,690.24x = 158,215.52 × 99,562.72
4. Step 4: Simplify right side
   114,690.24x = 15,752,367,517.41
5. Step 5: Solve for x
   x = 15,752,367,517.41/114,690.24
6. Step 6: Final answer
   x = 137,347.06