Finding the Fourth Proportional to 10,487.15, 14,472.26 and 5,771.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,487.15 : 14,472.26 = 5,771.42 : x
2. Step 2: Convert to fraction form
   10,487.15/14,472.26 = 5,771.42/x
3. Step 3: Cross multiply
   10,487.15x = 14,472.26 × 5,771.42
4. Step 4: Simplify right side
   10,487.15x = 83,525,389.59
5. Step 5: Solve for x
   x = 83,525,389.59/10,487.15
6. Step 6: Final answer
   x = 7,964.55