Finding the Fourth Proportional to 22,177.50, 30,604.69 and 12,617.37

Step by Step Solution

1. Step 1: Write the proportion equation
   22,177.50 : 30,604.69 = 12,617.37 : x
2. Step 2: Convert to fraction form
   22,177.50/30,604.69 = 12,617.37/x
3. Step 3: Cross multiply
   22,177.50x = 30,604.69 × 12,617.37
4. Step 4: Simplify right side
   22,177.50x = 386,150,665.92
5. Step 5: Solve for x
   x = 386,150,665.92/22,177.50
6. Step 6: Final answer
   x = 17,411.82