Finding the Fourth Proportional to 3,091.38, 4,633.17 and 2,209.29

Step by Step Solution

1. Step 1: Write the proportion equation
   3,091.38 : 4,633.17 = 2,209.29 : x
2. Step 2: Convert to fraction form
   3,091.38/4,633.17 = 2,209.29/x
3. Step 3: Cross multiply
   3,091.38x = 4,633.17 × 2,209.29
4. Step 4: Simplify right side
   3,091.38x = 10,236,016.15
5. Step 5: Solve for x
   x = 10,236,016.15/3,091.38
6. Step 6: Final answer
   x = 3,311.15