Finding the Fourth Proportional to 3,648.42, 5,033.07 and 2,389.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,648.42 : 5,033.07 = 2,389.02 : x
2. Step 2: Convert to fraction form
   3,648.42/5,033.07 = 2,389.02/x
3. Step 3: Cross multiply
   3,648.42x = 5,033.07 × 2,389.02
4. Step 4: Simplify right side
   3,648.42x = 12,024,104.89
5. Step 5: Solve for x
   x = 12,024,104.89/3,648.42
6. Step 6: Final answer
   x = 3,295.70