Finding the Fourth Proportional to 2,617.73, 3,612.85 and 1,609.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,617.73 : 3,612.85 = 1,609.37 : x
2. Step 2: Convert to fraction form
   2,617.73/3,612.85 = 1,609.37/x
3. Step 3: Cross multiply
   2,617.73x = 3,612.85 × 1,609.37
4. Step 4: Simplify right side
   2,617.73x = 5,814,412.92
5. Step 5: Solve for x
   x = 5,814,412.92/2,617.73
6. Step 6: Final answer
   x = 2,221.16