Finding the Fourth Proportional to 22,057.55, 30,439.49 and 12,626.12

Step by Step Solution

1. Step 1: Write the proportion equation
   22,057.55 : 30,439.49 = 12,626.12 : x
2. Step 2: Convert to fraction form
   22,057.55/30,439.49 = 12,626.12/x
3. Step 3: Cross multiply
   22,057.55x = 30,439.49 × 12,626.12
4. Step 4: Simplify right side
   22,057.55x = 384,332,438.15
5. Step 5: Solve for x
   x = 384,332,438.15/22,057.55
6. Step 6: Final answer
   x = 17,424.08