Finding the Fourth Proportional to 12,103.92, 18,155.41 and 3,338.60

Step by Step Solution

1. Step 1: Write the proportion equation
   12,103.92 : 18,155.41 = 3,338.60 : x
2. Step 2: Convert to fraction form
   12,103.92/18,155.41 = 3,338.60/x
3. Step 3: Cross multiply
   12,103.92x = 18,155.41 × 3,338.60
4. Step 4: Simplify right side
   12,103.92x = 60,613,552.70
5. Step 5: Solve for x
   x = 60,613,552.70/12,103.92
6. Step 6: Final answer
   x = 5,007.76