Finding the Fourth Proportional to 2,767.98, 3,819.78 and 1,509.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,767.98 : 3,819.78 = 1,509.03 : x
2. Step 2: Convert to fraction form
   2,767.98/3,819.78 = 1,509.03/x
3. Step 3: Cross multiply
   2,767.98x = 3,819.78 × 1,509.03
4. Step 4: Simplify right side
   2,767.98x = 5,764,173.05
5. Step 5: Solve for x
   x = 5,764,173.05/2,767.98
6. Step 6: Final answer
   x = 2,082.45