Finding the Fourth Proportional to 2,019.83, 3,028.41 and 977.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.83 : 3,028.41 = 977.78 : x
2. Step 2: Convert to fraction form
   2,019.83/3,028.41 = 977.78/x
3. Step 3: Cross multiply
   2,019.83x = 3,028.41 × 977.78
4. Step 4: Simplify right side
   2,019.83x = 2,961,118.73
5. Step 5: Solve for x
   x = 2,961,118.73/2,019.83
6. Step 6: Final answer
   x = 1,466.02