Finding the Fourth Proportional to 2,413.76, 3,636.86 and 2,182.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,413.76 : 3,636.86 = 2,182.91 : x
2. Step 2: Convert to fraction form
   2,413.76/3,636.86 = 2,182.91/x
3. Step 3: Cross multiply
   2,413.76x = 3,636.86 × 2,182.91
4. Step 4: Simplify right side
   2,413.76x = 7,938,908.96
5. Step 5: Solve for x
   x = 7,938,908.96/2,413.76
6. Step 6: Final answer
   x = 3,289.03