Finding the Fourth Proportional to 12,132.40, 18,198.59 and 3,367.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,132.40 : 18,198.59 = 3,367.31 : x
2. Step 2: Convert to fraction form
   12,132.40/18,198.59 = 3,367.31/x
3. Step 3: Cross multiply
   12,132.40x = 18,198.59 × 3,367.31
4. Step 4: Simplify right side
   12,132.40x = 61,280,294.09
5. Step 5: Solve for x
   x = 61,280,294.09/12,132.40
6. Step 6: Final answer
   x = 5,050.96