Finding the Fourth Proportional to 3,561.57, 5,341.98 and 2,579.04

Step by Step Solution

1. Step 1: Write the proportion equation
   3,561.57 : 5,341.98 = 2,579.04 : x
2. Step 2: Convert to fraction form
   3,561.57/5,341.98 = 2,579.04/x
3. Step 3: Cross multiply
   3,561.57x = 5,341.98 × 2,579.04
4. Step 4: Simplify right side
   3,561.57x = 13,777,180.10
5. Step 5: Solve for x
   x = 13,777,180.10/3,561.57
6. Step 6: Final answer
   x = 3,868.29