Finding the Fourth Proportional to 12,371.48, 18,561.29 and 8,227.79

Step by Step Solution

1. Step 1: Write the proportion equation
   12,371.48 : 18,561.29 = 8,227.79 : x
2. Step 2: Convert to fraction form
   12,371.48/18,561.29 = 8,227.79/x
3. Step 3: Cross multiply
   12,371.48x = 18,561.29 × 8,227.79
4. Step 4: Simplify right side
   12,371.48x = 152,718,262.30
5. Step 5: Solve for x
   x = 152,718,262.30/12,371.48
6. Step 6: Final answer
   x = 12,344.39