Finding the Fourth Proportional to 2,604.44, 3,609.20 and 2,555.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,604.44 : 3,609.20 = 2,555.22 : x
2. Step 2: Convert to fraction form
   2,604.44/3,609.20 = 2,555.22/x
3. Step 3: Cross multiply
   2,604.44x = 3,609.20 × 2,555.22
4. Step 4: Simplify right side
   2,604.44x = 9,222,300.02
5. Step 5: Solve for x
   x = 9,222,300.02/2,604.44
6. Step 6: Final answer
   x = 3,540.99