Finding the Fourth Proportional to 12,223.83, 18,336.53 and 3,459.43

Step by Step Solution

1. Step 1: Write the proportion equation
   12,223.83 : 18,336.53 = 3,459.43 : x
2. Step 2: Convert to fraction form
   12,223.83/18,336.53 = 3,459.43/x
3. Step 3: Cross multiply
   12,223.83x = 18,336.53 × 3,459.43
4. Step 4: Simplify right side
   12,223.83x = 63,433,850.94
5. Step 5: Solve for x
   x = 63,433,850.94/12,223.83
6. Step 6: Final answer
   x = 5,189.36