Finding the Fourth Proportional to 10,429.11, 14,391.98 and 5,713.36

Step by Step Solution

1. Step 1: Write the proportion equation
   10,429.11 : 14,391.98 = 5,713.36 : x
2. Step 2: Convert to fraction form
   10,429.11/14,391.98 = 5,713.36/x
3. Step 3: Cross multiply
   10,429.11x = 14,391.98 × 5,713.36
4. Step 4: Simplify right side
   10,429.11x = 82,226,519.73
5. Step 5: Solve for x
   x = 82,226,519.73/10,429.11
6. Step 6: Final answer
   x = 7,884.33