Finding the Fourth Proportional to 12,103.38, 18,155.52 and 3,338.37

Step by Step Solution

1. Step 1: Write the proportion equation
   12,103.38 : 18,155.52 = 3,338.37 : x
2. Step 2: Convert to fraction form
   12,103.38/18,155.52 = 3,338.37/x
3. Step 3: Cross multiply
   12,103.38x = 18,155.52 × 3,338.37
4. Step 4: Simplify right side
   12,103.38x = 60,609,843.30
5. Step 5: Solve for x
   x = 60,609,843.30/12,103.38
6. Step 6: Final answer
   x = 5,007.68