Finding the Fourth Proportional to 2,061.41, 3,091.80 and 674.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.41 : 3,091.80 = 674.74 : x
2. Step 2: Convert to fraction form
   2,061.41/3,091.80 = 674.74/x
3. Step 3: Cross multiply
   2,061.41x = 3,091.80 × 674.74
4. Step 4: Simplify right side
   2,061.41x = 2,086,161.13
5. Step 5: Solve for x
   x = 2,086,161.13/2,061.41
6. Step 6: Final answer
   x = 1,012.01