Finding the Fourth Proportional to 2,841.21, 3,920.59 and 2,095.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,841.21 : 3,920.59 = 2,095.57 : x
2. Step 2: Convert to fraction form
   2,841.21/3,920.59 = 2,095.57/x
3. Step 3: Cross multiply
   2,841.21x = 3,920.59 × 2,095.57
4. Step 4: Simplify right side
   2,841.21x = 8,215,870.79
5. Step 5: Solve for x
   x = 8,215,870.79/2,841.21
6. Step 6: Final answer
   x = 2,891.68