Finding the Fourth Proportional to 3,746.31, 5,169.94 and 2,067.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,746.31 : 5,169.94 = 2,067.78 : x
2. Step 2: Convert to fraction form
   3,746.31/5,169.94 = 2,067.78/x
3. Step 3: Cross multiply
   3,746.31x = 5,169.94 × 2,067.78
4. Step 4: Simplify right side
   3,746.31x = 10,690,298.53
5. Step 5: Solve for x
   x = 10,690,298.53/3,746.31
6. Step 6: Final answer
   x = 2,853.55