Finding the Fourth Proportional to 3,648.48, 5,035.34 and 2,389.84

Step by Step Solution

1. Step 1: Write the proportion equation
   3,648.48 : 5,035.34 = 2,389.84 : x
2. Step 2: Convert to fraction form
   3,648.48/5,035.34 = 2,389.84/x
3. Step 3: Cross multiply
   3,648.48x = 5,035.34 × 2,389.84
4. Step 4: Simplify right side
   3,648.48x = 12,033,650.33
5. Step 5: Solve for x
   x = 12,033,650.33/3,648.48
6. Step 6: Final answer
   x = 3,298.27