Finding the Fourth Proportional to 12,223.37, 18,328.17 and 3,901.43

Step by Step Solution

1. Step 1: Write the proportion equation
   12,223.37 : 18,328.17 = 3,901.43 : x
2. Step 2: Convert to fraction form
   12,223.37/18,328.17 = 3,901.43/x
3. Step 3: Cross multiply
   12,223.37x = 18,328.17 × 3,901.43
4. Step 4: Simplify right side
   12,223.37x = 71,506,072.28
5. Step 5: Solve for x
   x = 71,506,072.28/12,223.37
6. Step 6: Final answer
   x = 5,849.95