Finding the Fourth Proportional to 2,061.15, 3,091.97 and 674.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.15 : 3,091.97 = 674.64 : x
2. Step 2: Convert to fraction form
   2,061.15/3,091.97 = 674.64/x
3. Step 3: Cross multiply
   2,061.15x = 3,091.97 × 674.64
4. Step 4: Simplify right side
   2,061.15x = 2,085,966.64
5. Step 5: Solve for x
   x = 2,085,966.64/2,061.15
6. Step 6: Final answer
   x = 1,012.04