Finding the Fourth Proportional to 10,429.39, 14,392.89 and 5,713.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,429.39 : 14,392.89 = 5,713.96 : x
2. Step 2: Convert to fraction form
   10,429.39/14,392.89 = 5,713.96/x
3. Step 3: Cross multiply
   10,429.39x = 14,392.89 × 5,713.96
4. Step 4: Simplify right side
   10,429.39x = 82,240,397.74
5. Step 5: Solve for x
   x = 82,240,397.74/10,429.39
6. Step 6: Final answer
   x = 7,885.45