Finding the Fourth Proportional to 3,105.34, 4,280.45 and 2,441.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,105.34 : 4,280.45 = 2,441.34 : x
2. Step 2: Convert to fraction form
   3,105.34/4,280.45 = 2,441.34/x
3. Step 3: Cross multiply
   3,105.34x = 4,280.45 × 2,441.34
4. Step 4: Simplify right side
   3,105.34x = 10,450,021.60
5. Step 5: Solve for x
   x = 10,450,021.60/3,105.34
6. Step 6: Final answer
   x = 3,365.18