Finding the Fourth Proportional to 10,462.81, 14,439 and 5,747.08

Step by Step Solution

1. Step 1: Write the proportion equation
   10,462.81 : 14,439 = 5,747.08 : x
2. Step 2: Convert to fraction form
   10,462.81/14,439 = 5,747.08/x
3. Step 3: Cross multiply
   10,462.81x = 14,439 × 5,747.08
4. Step 4: Simplify right side
   10,462.81x = 82,982,088.12
5. Step 5: Solve for x
   x = 82,982,088.12/10,462.81
6. Step 6: Final answer
   x = 7,931.15