Finding the Fourth Proportional to 2,798.42, 4,198.55 and 1,337.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,798.42 : 4,198.55 = 1,337.69 : x
2. Step 2: Convert to fraction form
   2,798.42/4,198.55 = 1,337.69/x
3. Step 3: Cross multiply
   2,798.42x = 4,198.55 × 1,337.69
4. Step 4: Simplify right side
   2,798.42x = 5,616,341.16
5. Step 5: Solve for x
   x = 5,616,341.16/2,798.42
6. Step 6: Final answer
   x = 2,006.97