Finding the Fourth Proportional to 2,083.12, 2,873.61 and 1,198.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,083.12 : 2,873.61 = 1,198.33 : x
2. Step 2: Convert to fraction form
   2,083.12/2,873.61 = 1,198.33/x
3. Step 3: Cross multiply
   2,083.12x = 2,873.61 × 1,198.33
4. Step 4: Simplify right side
   2,083.12x = 3,443,525.89
5. Step 5: Solve for x
   x = 3,443,525.89/2,083.12
6. Step 6: Final answer
   x = 1,653.06