Finding the Fourth Proportional to 12,222.27, 18,320.18 and 5,986.49

Step by Step Solution

1. Step 1: Write the proportion equation
   12,222.27 : 18,320.18 = 5,986.49 : x
2. Step 2: Convert to fraction form
   12,222.27/18,320.18 = 5,986.49/x
3. Step 3: Cross multiply
   12,222.27x = 18,320.18 × 5,986.49
4. Step 4: Simplify right side
   12,222.27x = 109,673,452.83
5. Step 5: Solve for x
   x = 109,673,452.83/12,222.27
6. Step 6: Final answer
   x = 8,973.25