Finding the Fourth Proportional to 2,550.53, 3,519.89 and 1,605.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,550.53 : 3,519.89 = 1,605.98 : x
2. Step 2: Convert to fraction form
   2,550.53/3,519.89 = 1,605.98/x
3. Step 3: Cross multiply
   2,550.53x = 3,519.89 × 1,605.98
4. Step 4: Simplify right side
   2,550.53x = 5,652,847.31
5. Step 5: Solve for x
   x = 5,652,847.31/2,550.53
6. Step 6: Final answer
   x = 2,216.35