Finding the Fourth Proportional to 2,311.02, 3,464.37 and 849.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,311.02 : 3,464.37 = 849.78 : x
2. Step 2: Convert to fraction form
   2,311.02/3,464.37 = 849.78/x
3. Step 3: Cross multiply
   2,311.02x = 3,464.37 × 849.78
4. Step 4: Simplify right side
   2,311.02x = 2,943,952.34
5. Step 5: Solve for x
   x = 2,943,952.34/2,311.02
6. Step 6: Final answer
   x = 1,273.88