Finding the Fourth Proportional to 2,183.97, 3,013.89 and 1,189.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,183.97 : 3,013.89 = 1,189.25 : x
2. Step 2: Convert to fraction form
   2,183.97/3,013.89 = 1,189.25/x
3. Step 3: Cross multiply
   2,183.97x = 3,013.89 × 1,189.25
4. Step 4: Simplify right side
   2,183.97x = 3,584,260.46
5. Step 5: Solve for x
   x = 3,584,260.46/2,183.97
6. Step 6: Final answer
   x = 1,641.16