Finding the Fourth Proportional to 2,077.57, 3,116.78 and 844.97

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.57 : 3,116.78 = 844.97 : x
2. Step 2: Convert to fraction form
   2,077.57/3,116.78 = 844.97/x
3. Step 3: Cross multiply
   2,077.57x = 3,116.78 × 844.97
4. Step 4: Simplify right side
   2,077.57x = 2,633,585.60
5. Step 5: Solve for x
   x = 2,633,585.60/2,077.57
6. Step 6: Final answer
   x = 1,267.63