Finding the Fourth Proportional to 10,439.12, 14,405.82 and 5,723.44

Step by Step Solution

1. Step 1: Write the proportion equation
   10,439.12 : 14,405.82 = 5,723.44 : x
2. Step 2: Convert to fraction form
   10,439.12/14,405.82 = 5,723.44/x
3. Step 3: Cross multiply
   10,439.12x = 14,405.82 × 5,723.44
4. Step 4: Simplify right side
   10,439.12x = 82,450,846.42
5. Step 5: Solve for x
   x = 82,450,846.42/10,439.12
6. Step 6: Final answer
   x = 7,898.26