Finding the Fourth Proportional to 2,147.27, 2,964.56 and 1,648.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,147.27 : 2,964.56 = 1,648.94 : x
2. Step 2: Convert to fraction form
   2,147.27/2,964.56 = 1,648.94/x
3. Step 3: Cross multiply
   2,147.27x = 2,964.56 × 1,648.94
4. Step 4: Simplify right side
   2,147.27x = 4,888,380.73
5. Step 5: Solve for x
   x = 4,888,380.73/2,147.27
6. Step 6: Final answer
   x = 2,276.55