Finding the Fourth Proportional to 22,182.96, 30,608.69 and 13,227.20

Step by Step Solution

1. Step 1: Write the proportion equation
   22,182.96 : 30,608.69 = 13,227.20 : x
2. Step 2: Convert to fraction form
   22,182.96/30,608.69 = 13,227.20/x
3. Step 3: Cross multiply
   22,182.96x = 30,608.69 × 13,227.20
4. Step 4: Simplify right side
   22,182.96x = 404,867,159.97
5. Step 5: Solve for x
   x = 404,867,159.97/22,182.96
6. Step 6: Final answer
   x = 18,251.27