Finding the Fourth Proportional to 3,104.79, 4,656.69 and 2,581.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,104.79 : 4,656.69 = 2,581.05 : x
2. Step 2: Convert to fraction form
   3,104.79/4,656.69 = 2,581.05/x
3. Step 3: Cross multiply
   3,104.79x = 4,656.69 × 2,581.05
4. Step 4: Simplify right side
   3,104.79x = 12,019,149.72
5. Step 5: Solve for x
   x = 12,019,149.72/3,104.79
6. Step 6: Final answer
   x = 3,871.16