Finding the Fourth Proportional to 3,605.16, 5,404.86 and 1,413.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,605.16 : 5,404.86 = 1,413.48 : x
2. Step 2: Convert to fraction form
   3,605.16/5,404.86 = 1,413.48/x
3. Step 3: Cross multiply
   3,605.16x = 5,404.86 × 1,413.48
4. Step 4: Simplify right side
   3,605.16x = 7,639,661.51
5. Step 5: Solve for x
   x = 7,639,661.51/3,605.16
6. Step 6: Final answer
   x = 2,119.09