Finding the Fourth Proportional to 6,111.38, 9,161.22 and 1,949.09

Step by Step Solution

1. Step 1: Write the proportion equation
   6,111.38 : 9,161.22 = 1,949.09 : x
2. Step 2: Convert to fraction form
   6,111.38/9,161.22 = 1,949.09/x
3. Step 3: Cross multiply
   6,111.38x = 9,161.22 × 1,949.09
4. Step 4: Simplify right side
   6,111.38x = 17,856,032.54
5. Step 5: Solve for x
   x = 17,856,032.54/6,111.38
6. Step 6: Final answer
   x = 2,921.77