Finding the Fourth Proportional to 10,487.31, 14,472.50 and 5,771.49

Step by Step Solution

1. Step 1: Write the proportion equation
   10,487.31 : 14,472.50 = 5,771.49 : x
2. Step 2: Convert to fraction form
   10,487.31/14,472.50 = 5,771.49/x
3. Step 3: Cross multiply
   10,487.31x = 14,472.50 × 5,771.49
4. Step 4: Simplify right side
   10,487.31x = 83,527,889.03
5. Step 5: Solve for x
   x = 83,527,889.03/10,487.31
6. Step 6: Final answer
   x = 7,964.66