Finding the Fourth Proportional to 2,077.78, 3,116.59 and 844.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.78 : 3,116.59 = 844.82 : x
2. Step 2: Convert to fraction form
   2,077.78/3,116.59 = 844.82/x
3. Step 3: Cross multiply
   2,077.78x = 3,116.59 × 844.82
4. Step 4: Simplify right side
   2,077.78x = 2,632,957.56
5. Step 5: Solve for x
   x = 2,632,957.56/2,077.78
6. Step 6: Final answer
   x = 1,267.20