Finding the Fourth Proportional to 2,081.97, 2,871.29 and 1,609.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,081.97 : 2,871.29 = 1,609.89 : x
2. Step 2: Convert to fraction form
   2,081.97/2,871.29 = 1,609.89/x
3. Step 3: Cross multiply
   2,081.97x = 2,871.29 × 1,609.89
4. Step 4: Simplify right side
   2,081.97x = 4,622,453.01
5. Step 5: Solve for x
   x = 4,622,453.01/2,081.97
6. Step 6: Final answer
   x = 2,220.23