Finding the Fourth Proportional to 12,223.12, 16,868.16 and 7,443.27

Step by Step Solution

1. Step 1: Write the proportion equation
   12,223.12 : 16,868.16 = 7,443.27 : x
2. Step 2: Convert to fraction form
   12,223.12/16,868.16 = 7,443.27/x
3. Step 3: Cross multiply
   12,223.12x = 16,868.16 × 7,443.27
4. Step 4: Simplify right side
   12,223.12x = 125,554,269.28
5. Step 5: Solve for x
   x = 125,554,269.28/12,223.12
6. Step 6: Final answer
   x = 10,271.87