Finding the Fourth Proportional to 2,061.35, 3,091.87 and 827.97

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.35 : 3,091.87 = 827.97 : x
2. Step 2: Convert to fraction form
   2,061.35/3,091.87 = 827.97/x
3. Step 3: Cross multiply
   2,061.35x = 3,091.87 × 827.97
4. Step 4: Simplify right side
   2,061.35x = 2,559,982.44
5. Step 5: Solve for x
   x = 2,559,982.44/2,061.35
6. Step 6: Final answer
   x = 1,241.90