Finding the Fourth Proportional to 3,648.98, 5,033.85 and 2,389.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,648.98 : 5,033.85 = 2,389.50 : x
2. Step 2: Convert to fraction form
   3,648.98/5,033.85 = 2,389.50/x
3. Step 3: Cross multiply
   3,648.98x = 5,033.85 × 2,389.50
4. Step 4: Simplify right side
   3,648.98x = 12,028,375.61
5. Step 5: Solve for x
   x = 12,028,375.61/3,648.98
6. Step 6: Final answer
   x = 3,296.36