Finding the Fourth Proportional to 4,940.72, 7,413.81 and 2,018.81

Step by Step Solution

1. Step 1: Write the proportion equation
   4,940.72 : 7,413.81 = 2,018.81 : x
2. Step 2: Convert to fraction form
   4,940.72/7,413.81 = 2,018.81/x
3. Step 3: Cross multiply
   4,940.72x = 7,413.81 × 2,018.81
4. Step 4: Simplify right side
   4,940.72x = 14,967,073.77
5. Step 5: Solve for x
   x = 14,967,073.77/4,940.72
6. Step 6: Final answer
   x = 3,029.33