Finding the Fourth Proportional to 2,738.08, 4,105.68 and 1,198.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,738.08 : 4,105.68 = 1,198.72 : x
2. Step 2: Convert to fraction form
   2,738.08/4,105.68 = 1,198.72/x
3. Step 3: Cross multiply
   2,738.08x = 4,105.68 × 1,198.72
4. Step 4: Simplify right side
   2,738.08x = 4,921,560.73
5. Step 5: Solve for x
   x = 4,921,560.73/2,738.08
6. Step 6: Final answer
   x = 1,797.45