Finding the Fourth Proportional to 2,290.10, 3,413.55 and 2,074.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,290.10 : 3,413.55 = 2,074.10 : x
2. Step 2: Convert to fraction form
   2,290.10/3,413.55 = 2,074.10/x
3. Step 3: Cross multiply
   2,290.10x = 3,413.55 × 2,074.10
4. Step 4: Simplify right side
   2,290.10x = 7,080,033.68
5. Step 5: Solve for x
   x = 7,080,033.68/2,290.10
6. Step 6: Final answer
   x = 3,091.58