Finding the Fourth Proportional to 1,648.05, 2,273.55 and 949.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,648.05 : 2,273.55 = 949.02 : x
2. Step 2: Convert to fraction form
   1,648.05/2,273.55 = 949.02/x
3. Step 3: Cross multiply
   1,648.05x = 2,273.55 × 949.02
4. Step 4: Simplify right side
   1,648.05x = 2,157,644.42
5. Step 5: Solve for x
   x = 2,157,644.42/1,648.05
6. Step 6: Final answer
   x = 1,309.21