Finding the Fourth Proportional to 2,698.78, 3,724.41 and 1,519.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,698.78 : 3,724.41 = 1,519.87 : x
2. Step 2: Convert to fraction form
   2,698.78/3,724.41 = 1,519.87/x
3. Step 3: Cross multiply
   2,698.78x = 3,724.41 × 1,519.87
4. Step 4: Simplify right side
   2,698.78x = 5,660,619.03
5. Step 5: Solve for x
   x = 5,660,619.03/2,698.78
6. Step 6: Final answer
   x = 2,097.47