Finding the Fourth Proportional to 3,255.83, 4,878.63 and 2,517.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,255.83 : 4,878.63 = 2,517.25 : x
2. Step 2: Convert to fraction form
   3,255.83/4,878.63 = 2,517.25/x
3. Step 3: Cross multiply
   3,255.83x = 4,878.63 × 2,517.25
4. Step 4: Simplify right side
   3,255.83x = 12,280,719.17
5. Step 5: Solve for x
   x = 12,280,719.17/3,255.83
6. Step 6: Final answer
   x = 3,771.91