Finding the Fourth Proportional to 2,061.43, 3,091.50 and 674.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.43 : 3,091.50 = 674.54 : x
2. Step 2: Convert to fraction form
   2,061.43/3,091.50 = 674.54/x
3. Step 3: Cross multiply
   2,061.43x = 3,091.50 × 674.54
4. Step 4: Simplify right side
   2,061.43x = 2,085,353.94
5. Step 5: Solve for x
   x = 2,085,353.94/2,061.43
6. Step 6: Final answer
   x = 1,011.60