Finding the Fourth Proportional to 3,113.89, 4,648.04 and 2,744.85

Step by Step Solution

1. Step 1: Write the proportion equation
   3,113.89 : 4,648.04 = 2,744.85 : x
2. Step 2: Convert to fraction form
   3,113.89/4,648.04 = 2,744.85/x
3. Step 3: Cross multiply
   3,113.89x = 4,648.04 × 2,744.85
4. Step 4: Simplify right side
   3,113.89x = 12,758,172.59
5. Step 5: Solve for x
   x = 12,758,172.59/3,113.89
6. Step 6: Final answer
   x = 4,097.18