Finding the Fourth Proportional to 2,144.10, 3,217.86 and 1,839.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,144.10 : 3,217.86 = 1,839.54 : x
2. Step 2: Convert to fraction form
   2,144.10/3,217.86 = 1,839.54/x
3. Step 3: Cross multiply
   2,144.10x = 3,217.86 × 1,839.54
4. Step 4: Simplify right side
   2,144.10x = 5,919,382.18
5. Step 5: Solve for x
   x = 5,919,382.18/2,144.10
6. Step 6: Final answer
   x = 2,760.78