Finding the Fourth Proportional to 2,077.28, 3,116.04 and 844.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.28 : 3,116.04 = 844.06 : x
2. Step 2: Convert to fraction form
   2,077.28/3,116.04 = 844.06/x
3. Step 3: Cross multiply
   2,077.28x = 3,116.04 × 844.06
4. Step 4: Simplify right side
   2,077.28x = 2,630,124.72
5. Step 5: Solve for x
   x = 2,630,124.72/2,077.28
6. Step 6: Final answer
   x = 1,266.14