Finding the Fourth Proportional to 2,698.31, 3,723.68 and 1,519.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,698.31 : 3,723.68 = 1,519.40 : x
2. Step 2: Convert to fraction form
   2,698.31/3,723.68 = 1,519.40/x
3. Step 3: Cross multiply
   2,698.31x = 3,723.68 × 1,519.40
4. Step 4: Simplify right side
   2,698.31x = 5,657,772.50
5. Step 5: Solve for x
   x = 5,657,772.50/2,698.31
6. Step 6: Final answer
   x = 2,096.78