Finding the Fourth Proportional to 10,487.92, 14,472.78 and 5,771.29

Step by Step Solution

1. Step 1: Write the proportion equation
   10,487.92 : 14,472.78 = 5,771.29 : x
2. Step 2: Convert to fraction form
   10,487.92/14,472.78 = 5,771.29/x
3. Step 3: Cross multiply
   10,487.92x = 14,472.78 × 5,771.29
4. Step 4: Simplify right side
   10,487.92x = 83,526,610.49
5. Step 5: Solve for x
   x = 83,526,610.49/10,487.92
6. Step 6: Final answer
   x = 7,964.08