Finding the Fourth Proportional to 2,078.99, 2,871.50 and 1,518.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,078.99 : 2,871.50 = 1,518.56 : x
2. Step 2: Convert to fraction form
   2,078.99/2,871.50 = 1,518.56/x
3. Step 3: Cross multiply
   2,078.99x = 2,871.50 × 1,518.56
4. Step 4: Simplify right side
   2,078.99x = 4,360,523.09
5. Step 5: Solve for x
   x = 4,360,523.09/2,078.99
6. Step 6: Final answer
   x = 2,097.43