Finding the Fourth Proportional to 12,198.50, 18,297.76 and 3,433.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,198.50 : 18,297.76 = 3,433.42 : x
2. Step 2: Convert to fraction form
   12,198.50/18,297.76 = 3,433.42/x
3. Step 3: Cross multiply
   12,198.50x = 18,297.76 × 3,433.42
4. Step 4: Simplify right side
   12,198.50x = 62,823,809.72
5. Step 5: Solve for x
   x = 62,823,809.72/12,198.50
6. Step 6: Final answer
   x = 5,150.13