Finding the Fourth Proportional to 2,018.46, 3,028.05 and 786.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.46 : 3,028.05 = 786.54 : x
2. Step 2: Convert to fraction form
   2,018.46/3,028.05 = 786.54/x
3. Step 3: Cross multiply
   2,018.46x = 3,028.05 × 786.54
4. Step 4: Simplify right side
   2,018.46x = 2,381,682.45
5. Step 5: Solve for x
   x = 2,381,682.45/2,018.46
6. Step 6: Final answer
   x = 1,179.95