Finding the Fourth Proportional to 3,648.16, 5,469.49 and 2,259.37

Step by Step Solution

1. Step 1: Write the proportion equation
   3,648.16 : 5,469.49 = 2,259.37 : x
2. Step 2: Convert to fraction form
   3,648.16/5,469.49 = 2,259.37/x
3. Step 3: Cross multiply
   3,648.16x = 5,469.49 × 2,259.37
4. Step 4: Simplify right side
   3,648.16x = 12,357,601.62
5. Step 5: Solve for x
   x = 12,357,601.62/3,648.16
6. Step 6: Final answer
   x = 3,387.35