Finding the Fourth Proportional to 3,410.44, 5,105.87 and 2,103.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,410.44 : 5,105.87 = 2,103.10 : x
2. Step 2: Convert to fraction form
   3,410.44/5,105.87 = 2,103.10/x
3. Step 3: Cross multiply
   3,410.44x = 5,105.87 × 2,103.10
4. Step 4: Simplify right side
   3,410.44x = 10,738,119.15
5. Step 5: Solve for x
   x = 10,738,119.15/3,410.44
6. Step 6: Final answer
   x = 3,148.61