Finding the Fourth Proportional to 10,429.21, 14,392.23 and 5,713.39

Step by Step Solution

1. Step 1: Write the proportion equation
   10,429.21 : 14,392.23 = 5,713.39 : x
2. Step 2: Convert to fraction form
   10,429.21/14,392.23 = 5,713.39/x
3. Step 3: Cross multiply
   10,429.21x = 14,392.23 × 5,713.39
4. Step 4: Simplify right side
   10,429.21x = 82,228,351.00
5. Step 5: Solve for x
   x = 82,228,351.00/10,429.21
6. Step 6: Final answer
   x = 7,884.43