Finding the Fourth Proportional to 12,223.08, 18,335.94 and 3,900.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,223.08 : 18,335.94 = 3,900.18 : x
2. Step 2: Convert to fraction form
   12,223.08/18,335.94 = 3,900.18/x
3. Step 3: Cross multiply
   12,223.08x = 18,335.94 × 3,900.18
4. Step 4: Simplify right side
   12,223.08x = 71,513,466.47
5. Step 5: Solve for x
   x = 71,513,466.47/12,223.08
6. Step 6: Final answer
   x = 5,850.69