Finding the Fourth Proportional to 3,809.50, 5,257.98 and 2,238.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,809.50 : 5,257.98 = 2,238.10 : x
2. Step 2: Convert to fraction form
   3,809.50/5,257.98 = 2,238.10/x
3. Step 3: Cross multiply
   3,809.50x = 5,257.98 × 2,238.10
4. Step 4: Simplify right side
   3,809.50x = 11,767,885.04
5. Step 5: Solve for x
   x = 11,767,885.04/3,809.50
6. Step 6: Final answer
   x = 3,089.09