Finding the Fourth Proportional to 3,698.06, 5,103.28 and 2,019.54

Step by Step Solution

1. Step 1: Write the proportion equation
   3,698.06 : 5,103.28 = 2,019.54 : x
2. Step 2: Convert to fraction form
   3,698.06/5,103.28 = 2,019.54/x
3. Step 3: Cross multiply
   3,698.06x = 5,103.28 × 2,019.54
4. Step 4: Simplify right side
   3,698.06x = 10,306,251.01
5. Step 5: Solve for x
   x = 10,306,251.01/3,698.06
6. Step 6: Final answer
   x = 2,786.94