Finding the Fourth Proportional to 2,082.23, 2,873.61 and 1,198.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,082.23 : 2,873.61 = 1,198.07 : x
2. Step 2: Convert to fraction form
   2,082.23/2,873.61 = 1,198.07/x
3. Step 3: Cross multiply
   2,082.23x = 2,873.61 × 1,198.07
4. Step 4: Simplify right side
   2,082.23x = 3,442,771.56
5. Step 5: Solve for x
   x = 3,442,771.56/2,082.23
6. Step 6: Final answer
   x = 1,653.41