Finding the Fourth Proportional to 3,410.87, 5,105.49 and 2,238.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,410.87 : 5,105.49 = 2,238.10 : x
2. Step 2: Convert to fraction form
   3,410.87/5,105.49 = 2,238.10/x
3. Step 3: Cross multiply
   3,410.87x = 5,105.49 × 2,238.10
4. Step 4: Simplify right side
   3,410.87x = 11,426,584.41
5. Step 5: Solve for x
   x = 11,426,584.41/3,410.87
6. Step 6: Final answer
   x = 3,350.05