Finding the Fourth Proportional to 10,439.19, 14,406.08 and 5,723.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,439.19 : 14,406.08 = 5,723.55 : x
2. Step 2: Convert to fraction form
   10,439.19/14,406.08 = 5,723.55/x
3. Step 3: Cross multiply
   10,439.19x = 14,406.08 × 5,723.55
4. Step 4: Simplify right side
   10,439.19x = 82,453,890.57
5. Step 5: Solve for x
   x = 82,453,890.57/10,439.19
6. Step 6: Final answer
   x = 7,898.50