Finding the Fourth Proportional to 2,325.50, 3,205.37 and 1,618.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,325.50 : 3,205.37 = 1,618.37 : x
2. Step 2: Convert to fraction form
   2,325.50/3,205.37 = 1,618.37/x
3. Step 3: Cross multiply
   2,325.50x = 3,205.37 × 1,618.37
4. Step 4: Simplify right side
   2,325.50x = 5,187,466.56
5. Step 5: Solve for x
   x = 5,187,466.56/2,325.50
6. Step 6: Final answer
   x = 2,230.69