Finding the Fourth Proportional to 2,698.72, 3,724.32 and 1,519.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,698.72 : 3,724.32 = 1,519.88 : x
2. Step 2: Convert to fraction form
   2,698.72/3,724.32 = 1,519.88/x
3. Step 3: Cross multiply
   2,698.72x = 3,724.32 × 1,519.88
4. Step 4: Simplify right side
   2,698.72x = 5,660,519.48
5. Step 5: Solve for x
   x = 5,660,519.48/2,698.72
6. Step 6: Final answer
   x = 2,097.48