Finding the Fourth Proportional to 2,940.89, 4,413.05 and 1,093.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,940.89 : 4,413.05 = 1,093.28 : x
2. Step 2: Convert to fraction form
   2,940.89/4,413.05 = 1,093.28/x
3. Step 3: Cross multiply
   2,940.89x = 4,413.05 × 1,093.28
4. Step 4: Simplify right side
   2,940.89x = 4,824,699.30
5. Step 5: Solve for x
   x = 4,824,699.30/2,940.89
6. Step 6: Final answer
   x = 1,640.56