Finding the Fourth Proportional to 10,243.68, 14,135.31 and 5,766.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,243.68 : 14,135.31 = 5,766.72 : x
2. Step 2: Convert to fraction form
   10,243.68/14,135.31 = 5,766.72/x
3. Step 3: Cross multiply
   10,243.68x = 14,135.31 × 5,766.72
4. Step 4: Simplify right side
   10,243.68x = 81,514,374.88
5. Step 5: Solve for x
   x = 81,514,374.88/10,243.68
6. Step 6: Final answer
   x = 7,957.53