Finding the Fourth Proportional to 3,561.89, 4,910.81 and 2,440.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,561.89 : 4,910.81 = 2,440.83 : x
2. Step 2: Convert to fraction form
   3,561.89/4,910.81 = 2,440.83/x
3. Step 3: Cross multiply
   3,561.89x = 4,910.81 × 2,440.83
4. Step 4: Simplify right side
   3,561.89x = 11,986,441.30
5. Step 5: Solve for x
   x = 11,986,441.30/3,561.89
6. Step 6: Final answer
   x = 3,365.19