Finding the Fourth Proportional to 2,082.15, 2,873.49 and 1,198.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,082.15 : 2,873.49 = 1,198.05 : x
2. Step 2: Convert to fraction form
   2,082.15/2,873.49 = 1,198.05/x
3. Step 3: Cross multiply
   2,082.15x = 2,873.49 × 1,198.05
4. Step 4: Simplify right side
   2,082.15x = 3,442,584.69
5. Step 5: Solve for x
   x = 3,442,584.69/2,082.15
6. Step 6: Final answer
   x = 1,653.38