Finding the Fourth Proportional to 22,280.38, 30,746.44 and 12,208.61

Step by Step Solution

1. Step 1: Write the proportion equation
   22,280.38 : 30,746.44 = 12,208.61 : x
2. Step 2: Convert to fraction form
   22,280.38/30,746.44 = 12,208.61/x
3. Step 3: Cross multiply
   22,280.38x = 30,746.44 × 12,208.61
4. Step 4: Simplify right side
   22,280.38x = 375,371,110.59
5. Step 5: Solve for x
   x = 375,371,110.59/22,280.38
6. Step 6: Final answer
   x = 16,847.61