Finding the Fourth Proportional to 2,600.82, 3,589.25 and 1,605.95

Step by Step Solution

1. Step 1: Write the proportion equation
   2,600.82 : 3,589.25 = 1,605.95 : x
2. Step 2: Convert to fraction form
   2,600.82/3,589.25 = 1,605.95/x
3. Step 3: Cross multiply
   2,600.82x = 3,589.25 × 1,605.95
4. Step 4: Simplify right side
   2,600.82x = 5,764,130.06
5. Step 5: Solve for x
   x = 5,764,130.06/2,600.82
6. Step 6: Final answer
   x = 2,216.27