Finding the Fourth Proportional to 10,242.72, 14,135.20 and 5,766.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,242.72 : 14,135.20 = 5,766.62 : x
2. Step 2: Convert to fraction form
   10,242.72/14,135.20 = 5,766.62/x
3. Step 3: Cross multiply
   10,242.72x = 14,135.20 × 5,766.62
4. Step 4: Simplify right side
   10,242.72x = 81,512,327.02
5. Step 5: Solve for x
   x = 81,512,327.02/10,242.72
6. Step 6: Final answer
   x = 7,958.07