Finding the Fourth Proportional to 2,648.78, 3,654.72 and 1,600.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,648.78 : 3,654.72 = 1,600.82 : x
2. Step 2: Convert to fraction form
   2,648.78/3,654.72 = 1,600.82/x
3. Step 3: Cross multiply
   2,648.78x = 3,654.72 × 1,600.82
4. Step 4: Simplify right side
   2,648.78x = 5,850,530.60
5. Step 5: Solve for x
   x = 5,850,530.60/2,648.78
6. Step 6: Final answer
   x = 2,208.77