Finding the Fourth Proportional to 2,275.09, 3,413.07 and 1,105.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,275.09 : 3,413.07 = 1,105.89 : x
2. Step 2: Convert to fraction form
   2,275.09/3,413.07 = 1,105.89/x
3. Step 3: Cross multiply
   2,275.09x = 3,413.07 × 1,105.89
4. Step 4: Simplify right side
   2,275.09x = 3,774,467.18
5. Step 5: Solve for x
   x = 3,774,467.18/2,275.09
6. Step 6: Final answer
   x = 1,659.04