Finding the Fourth Proportional to 2,061.09, 3,091.23 and 965.97

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.09 : 3,091.23 = 965.97 : x
2. Step 2: Convert to fraction form
   2,061.09/3,091.23 = 965.97/x
3. Step 3: Cross multiply
   2,061.09x = 3,091.23 × 965.97
4. Step 4: Simplify right side
   2,061.09x = 2,986,035.44
5. Step 5: Solve for x
   x = 2,986,035.44/2,061.09
6. Step 6: Final answer
   x = 1,448.77