Finding the Fourth Proportional to 3,610.82, 5,410.56 and 2,791.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,610.82 : 5,410.56 = 2,791.10 : x
2. Step 2: Convert to fraction form
   3,610.82/5,410.56 = 2,791.10/x
3. Step 3: Cross multiply
   3,610.82x = 5,410.56 × 2,791.10
4. Step 4: Simplify right side
   3,610.82x = 15,101,414.02
5. Step 5: Solve for x
   x = 15,101,414.02/3,610.82
6. Step 6: Final answer
   x = 4,182.27