Finding the Fourth Proportional to 2,550.35, 3,517.71 and 2,078.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,550.35 : 3,517.71 = 2,078.24 : x
2. Step 2: Convert to fraction form
   2,550.35/3,517.71 = 2,078.24/x
3. Step 3: Cross multiply
   2,550.35x = 3,517.71 × 2,078.24
4. Step 4: Simplify right side
   2,550.35x = 7,310,662.18
5. Step 5: Solve for x
   x = 7,310,662.18/2,550.35
6. Step 6: Final answer
   x = 2,866.53