Finding the Fourth Proportional to 2,062.21, 3,091.15 and 965.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,062.21 : 3,091.15 = 965.68 : x
2. Step 2: Convert to fraction form
   2,062.21/3,091.15 = 965.68/x
3. Step 3: Cross multiply
   2,062.21x = 3,091.15 × 965.68
4. Step 4: Simplify right side
   2,062.21x = 2,985,061.73
5. Step 5: Solve for x
   x = 2,985,061.73/2,062.21
6. Step 6: Final answer
   x = 1,447.51