Finding the Fourth Proportional to 10,487.07, 14,472.15 and 5,771.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,487.07 : 14,472.15 = 5,771.25 : x
2. Step 2: Convert to fraction form
   10,487.07/14,472.15 = 5,771.25/x
3. Step 3: Cross multiply
   10,487.07x = 14,472.15 × 5,771.25
4. Step 4: Simplify right side
   10,487.07x = 83,522,395.69
5. Step 5: Solve for x
   x = 83,522,395.69/10,487.07
6. Step 6: Final answer
   x = 7,964.32