Finding the Fourth Proportional to 2,018.58, 3,028.83 and 922.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.58 : 3,028.83 = 922.86 : x
2. Step 2: Convert to fraction form
   2,018.58/3,028.83 = 922.86/x
3. Step 3: Cross multiply
   2,018.58x = 3,028.83 × 922.86
4. Step 4: Simplify right side
   2,018.58x = 2,795,186.05
5. Step 5: Solve for x
   x = 2,795,186.05/2,018.58
6. Step 6: Final answer
   x = 1,384.73