Finding the Fourth Proportional to 10,243.86, 14,132.49 and 5,766.57

Step by Step Solution

1. Step 1: Write the proportion equation
   10,243.86 : 14,132.49 = 5,766.57 : x
2. Step 2: Convert to fraction form
   10,243.86/14,132.49 = 5,766.57/x
3. Step 3: Cross multiply
   10,243.86x = 14,132.49 × 5,766.57
4. Step 4: Simplify right side
   10,243.86x = 81,495,992.86
5. Step 5: Solve for x
   x = 81,495,992.86/10,243.86
6. Step 6: Final answer
   x = 7,955.59