Finding the Fourth Proportional to 10,433.28, 14,397.96 and 5,717.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,433.28 : 14,397.96 = 5,717.88 : x
2. Step 2: Convert to fraction form
   10,433.28/14,397.96 = 5,717.88/x
3. Step 3: Cross multiply
   10,433.28x = 14,397.96 × 5,717.88
4. Step 4: Simplify right side
   10,433.28x = 82,325,807.52
5. Step 5: Solve for x
   x = 82,325,807.52/10,433.28
6. Step 6: Final answer
   x = 7,890.69