Finding the Fourth Proportional to 2,648.72, 3,654.88 and 1,469.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,648.72 : 3,654.88 = 1,469.78 : x
2. Step 2: Convert to fraction form
   2,648.72/3,654.88 = 1,469.78/x
3. Step 3: Cross multiply
   2,648.72x = 3,654.88 × 1,469.78
4. Step 4: Simplify right side
   2,648.72x = 5,371,869.53
5. Step 5: Solve for x
   x = 5,371,869.53/2,648.72
6. Step 6: Final answer
   x = 2,028.10