Finding the Fourth Proportional to 10,433.91, 14,398.85 and 5,718.36

Step by Step Solution

1. Step 1: Write the proportion equation
   10,433.91 : 14,398.85 = 5,718.36 : x
2. Step 2: Convert to fraction form
   10,433.91/14,398.85 = 5,718.36/x
3. Step 3: Cross multiply
   10,433.91x = 14,398.85 × 5,718.36
4. Step 4: Simplify right side
   10,433.91x = 82,337,807.89
5. Step 5: Solve for x
   x = 82,337,807.89/10,433.91
6. Step 6: Final answer
   x = 7,891.37