Finding the Fourth Proportional to 2,648.25, 3,654.72 and 2,248.65

Step by Step Solution

1. Step 1: Write the proportion equation
   2,648.25 : 3,654.72 = 2,248.65 : x
2. Step 2: Convert to fraction form
   2,648.25/3,654.72 = 2,248.65/x
3. Step 3: Cross multiply
   2,648.25x = 3,654.72 × 2,248.65
4. Step 4: Simplify right side
   2,648.25x = 8,218,186.13
5. Step 5: Solve for x
   x = 8,218,186.13/2,648.25
6. Step 6: Final answer
   x = 3,103.25