Finding the Fourth Proportional to 140,229.12, 193,514.72 and 76,566.72

Step by Step Solution

1. Step 1: Write the proportion equation
   140,229.12 : 193,514.72 = 76,566.72 : x
2. Step 2: Convert to fraction form
   140,229.12/193,514.72 = 76,566.72/x
3. Step 3: Cross multiply
   140,229.12x = 193,514.72 × 76,566.72
4. Step 4: Simplify right side
   140,229.12x = 14,816,787,382.12
5. Step 5: Solve for x
   x = 14,816,787,382.12/140,229.12
6. Step 6: Final answer
   x = 105,661.27