Finding the Fourth Proportional to 3,698.54, 5,096.97 and 2,648.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,698.54 : 5,096.97 = 2,648.78 : x
2. Step 2: Convert to fraction form
   3,698.54/5,096.97 = 2,648.78/x
3. Step 3: Cross multiply
   3,698.54x = 5,096.97 × 2,648.78
4. Step 4: Simplify right side
   3,698.54x = 13,500,752.20
5. Step 5: Solve for x
   x = 13,500,752.20/3,698.54
6. Step 6: Final answer
   x = 3,650.29