Finding the Fourth Proportional to 2,018.82, 3,027.37 and 769.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.82 : 3,027.37 = 769.20 : x
2. Step 2: Convert to fraction form
   2,018.82/3,027.37 = 769.20/x
3. Step 3: Cross multiply
   2,018.82x = 3,027.37 × 769.20
4. Step 4: Simplify right side
   2,018.82x = 2,328,653.00
5. Step 5: Solve for x
   x = 2,328,653.00/2,018.82
6. Step 6: Final answer
   x = 1,153.47