Finding the Fourth Proportional to 10,439.15, 14,405.92 and 5,723.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,439.15 : 14,405.92 = 5,723.42 : x
2. Step 2: Convert to fraction form
   10,439.15/14,405.92 = 5,723.42/x
3. Step 3: Cross multiply
   10,439.15x = 14,405.92 × 5,723.42
4. Step 4: Simplify right side
   10,439.15x = 82,451,130.65
5. Step 5: Solve for x
   x = 82,451,130.65/10,439.15
6. Step 6: Final answer
   x = 7,898.26