Finding the Fourth Proportional to 2,183.91, 3,013.82 and 1,189.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,183.91 : 3,013.82 = 1,189.19 : x
2. Step 2: Convert to fraction form
   2,183.91/3,013.82 = 1,189.19/x
3. Step 3: Cross multiply
   2,183.91x = 3,013.82 × 1,189.19
4. Step 4: Simplify right side
   2,183.91x = 3,584,004.61
5. Step 5: Solve for x
   x = 3,584,004.61/2,183.91
6. Step 6: Final answer
   x = 1,641.10