Finding the Fourth Proportional to 2,018.03, 3,025.94 and 630.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.03 : 3,025.94 = 630.77 : x
2. Step 2: Convert to fraction form
   2,018.03/3,025.94 = 630.77/x
3. Step 3: Cross multiply
   2,018.03x = 3,025.94 × 630.77
4. Step 4: Simplify right side
   2,018.03x = 1,908,653.89
5. Step 5: Solve for x
   x = 1,908,653.89/2,018.03
6. Step 6: Final answer
   x = 945.80