Finding the Fourth Proportional to 10,439.20, 14,406.16 and 5,723.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,439.20 : 14,406.16 = 5,723.52 : x
2. Step 2: Convert to fraction form
   10,439.20/14,406.16 = 5,723.52/x
3. Step 3: Cross multiply
   10,439.20x = 14,406.16 × 5,723.52
4. Step 4: Simplify right side
   10,439.20x = 82,453,944.88
5. Step 5: Solve for x
   x = 82,453,944.88/10,439.20
6. Step 6: Final answer
   x = 7,898.49