Finding the Fourth Proportional to 2,067.74, 3,098.68 and 1,143.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,067.74 : 3,098.68 = 1,143.71 : x
2. Step 2: Convert to fraction form
   2,067.74/3,098.68 = 1,143.71/x
3. Step 3: Cross multiply
   2,067.74x = 3,098.68 × 1,143.71
4. Step 4: Simplify right side
   2,067.74x = 3,543,991.30
5. Step 5: Solve for x
   x = 3,543,991.30/2,067.74
6. Step 6: Final answer
   x = 1,713.94