Finding the Fourth Proportional to 2,082.92, 2,874.72 and 1,198.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,082.92 : 2,874.72 = 1,198.72 : x
2. Step 2: Convert to fraction form
   2,082.92/2,874.72 = 1,198.72/x
3. Step 3: Cross multiply
   2,082.92x = 2,874.72 × 1,198.72
4. Step 4: Simplify right side
   2,082.92x = 3,445,984.36
5. Step 5: Solve for x
   x = 3,445,984.36/2,082.92
6. Step 6: Final answer
   x = 1,654.40