Finding the Fourth Proportional to 2,019.99, 3,028.49 and 786.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.99 : 3,028.49 = 786.76 : x
2. Step 2: Convert to fraction form
   2,019.99/3,028.49 = 786.76/x
3. Step 3: Cross multiply
   2,019.99x = 3,028.49 × 786.76
4. Step 4: Simplify right side
   2,019.99x = 2,382,703.27
5. Step 5: Solve for x
   x = 2,382,703.27/2,019.99
6. Step 6: Final answer
   x = 1,179.56