Finding the Fourth Proportional to 2,413.89, 3,619.62 and 1,179.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,413.89 : 3,619.62 = 1,179.45 : x
2. Step 2: Convert to fraction form
   2,413.89/3,619.62 = 1,179.45/x
3. Step 3: Cross multiply
   2,413.89x = 3,619.62 × 1,179.45
4. Step 4: Simplify right side
   2,413.89x = 4,269,160.81
5. Step 5: Solve for x
   x = 4,269,160.81/2,413.89
6. Step 6: Final answer
   x = 1,768.58