Finding the Fourth Proportional to 2,648.40, 3,654.78 and 1,469.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,648.40 : 3,654.78 = 1,469.48 : x
2. Step 2: Convert to fraction form
   2,648.40/3,654.78 = 1,469.48/x
3. Step 3: Cross multiply
   2,648.40x = 3,654.78 × 1,469.48
4. Step 4: Simplify right side
   2,648.40x = 5,370,626.11
5. Step 5: Solve for x
   x = 5,370,626.11/2,648.40
6. Step 6: Final answer
   x = 2,027.88