Finding the Fourth Proportional to 2,061.35, 3,091.36 and 674.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.35 : 3,091.36 = 674.36 : x
2. Step 2: Convert to fraction form
   2,061.35/3,091.36 = 674.36/x
3. Step 3: Cross multiply
   2,061.35x = 3,091.36 × 674.36
4. Step 4: Simplify right side
   2,061.35x = 2,084,689.53
5. Step 5: Solve for x
   x = 2,084,689.53/2,061.35
6. Step 6: Final answer
   x = 1,011.32