Finding the Fourth Proportional to 2,067.74, 2,854.23 and 1,369.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,067.74 : 2,854.23 = 1,369.34 : x
2. Step 2: Convert to fraction form
   2,067.74/2,854.23 = 1,369.34/x
3. Step 3: Cross multiply
   2,067.74x = 2,854.23 × 1,369.34
4. Step 4: Simplify right side
   2,067.74x = 3,908,411.31
5. Step 5: Solve for x
   x = 3,908,411.31/2,067.74
6. Step 6: Final answer
   x = 1,890.19