Finding the Fourth Proportional to 12,223.59, 18,326.39 and 3,898.81

Step by Step Solution

1. Step 1: Write the proportion equation
   12,223.59 : 18,326.39 = 3,898.81 : x
2. Step 2: Convert to fraction form
   12,223.59/18,326.39 = 3,898.81/x
3. Step 3: Cross multiply
   12,223.59x = 18,326.39 × 3,898.81
4. Step 4: Simplify right side
   12,223.59x = 71,451,116.01
5. Step 5: Solve for x
   x = 71,451,116.01/12,223.59
6. Step 6: Final answer
   x = 5,845.35