Finding the Fourth Proportional to 2,494.60, 3,443.34 and 1,609.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,494.60 : 3,443.34 = 1,609.72 : x
2. Step 2: Convert to fraction form
   2,494.60/3,443.34 = 1,609.72/x
3. Step 3: Cross multiply
   2,494.60x = 3,443.34 × 1,609.72
4. Step 4: Simplify right side
   2,494.60x = 5,542,813.26
5. Step 5: Solve for x
   x = 5,542,813.26/2,494.60
6. Step 6: Final answer
   x = 2,221.92