Finding the Fourth Proportional to 2,076.57, 3,116.16 and 843.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,076.57 : 3,116.16 = 843.99 : x
2. Step 2: Convert to fraction form
   2,076.57/3,116.16 = 843.99/x
3. Step 3: Cross multiply
   2,076.57x = 3,116.16 × 843.99
4. Step 4: Simplify right side
   2,076.57x = 2,630,007.88
5. Step 5: Solve for x
   x = 2,630,007.88/2,076.57
6. Step 6: Final answer
   x = 1,266.52