Finding the Fourth Proportional to 10,433.12, 14,397.71 and 5,717.40

Step by Step Solution

1. Step 1: Write the proportion equation
   10,433.12 : 14,397.71 = 5,717.40 : x
2. Step 2: Convert to fraction form
   10,433.12/14,397.71 = 5,717.40/x
3. Step 3: Cross multiply
   10,433.12x = 14,397.71 × 5,717.40
4. Step 4: Simplify right side
   10,433.12x = 82,317,438.57
5. Step 5: Solve for x
   x = 82,317,438.57/10,433.12
6. Step 6: Final answer
   x = 7,890.02