Finding the Fourth Proportional to 2,082.35, 2,873.75 and 1,198.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,082.35 : 2,873.75 = 1,198.28 : x
2. Step 2: Convert to fraction form
   2,082.35/2,873.75 = 1,198.28/x
3. Step 3: Cross multiply
   2,082.35x = 2,873.75 × 1,198.28
4. Step 4: Simplify right side
   2,082.35x = 3,443,567.33
5. Step 5: Solve for x
   x = 3,443,567.33/2,082.35
6. Step 6: Final answer
   x = 1,653.69