Finding the Fourth Proportional to 2,834.36, 3,910.32 and 2,090.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,834.36 : 3,910.32 = 2,090.09 : x
2. Step 2: Convert to fraction form
   2,834.36/3,910.32 = 2,090.09/x
3. Step 3: Cross multiply
   2,834.36x = 3,910.32 × 2,090.09
4. Step 4: Simplify right side
   2,834.36x = 8,172,920.73
5. Step 5: Solve for x
   x = 8,172,920.73/2,834.36
6. Step 6: Final answer
   x = 2,883.52