Finding the Fourth Proportional to 10,433.86, 14,399.09 and 5,718.14

Step by Step Solution

1. Step 1: Write the proportion equation
   10,433.86 : 14,399.09 = 5,718.14 : x
2. Step 2: Convert to fraction form
   10,433.86/14,399.09 = 5,718.14/x
3. Step 3: Cross multiply
   10,433.86x = 14,399.09 × 5,718.14
4. Step 4: Simplify right side
   10,433.86x = 82,335,911.91
5. Step 5: Solve for x
   x = 82,335,911.91/10,433.86
6. Step 6: Final answer
   x = 7,891.23