Finding the Fourth Proportional to 2,585.10, 3,878.01 and 1,104.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,585.10 : 3,878.01 = 1,104.42 : x
2. Step 2: Convert to fraction form
   2,585.10/3,878.01 = 1,104.42/x
3. Step 3: Cross multiply
   2,585.10x = 3,878.01 × 1,104.42
4. Step 4: Simplify right side
   2,585.10x = 4,282,951.80
5. Step 5: Solve for x
   x = 4,282,951.80/2,585.10
6. Step 6: Final answer
   x = 1,656.78