Finding the Fourth Proportional to 10,434.27, 14,399.26 and 5,718.54

Step by Step Solution

1. Step 1: Write the proportion equation
   10,434.27 : 14,399.26 = 5,718.54 : x
2. Step 2: Convert to fraction form
   10,434.27/14,399.26 = 5,718.54/x
3. Step 3: Cross multiply
   10,434.27x = 14,399.26 × 5,718.54
4. Step 4: Simplify right side
   10,434.27x = 82,342,744.28
5. Step 5: Solve for x
   x = 82,342,744.28/10,434.27
6. Step 6: Final answer
   x = 7,891.57