Finding the Fourth Proportional to 3,648.53, 5,468.24 and 2,002.21

Step by Step Solution

1. Step 1: Write the proportion equation
   3,648.53 : 5,468.24 = 2,002.21 : x
2. Step 2: Convert to fraction form
   3,648.53/5,468.24 = 2,002.21/x
3. Step 3: Cross multiply
   3,648.53x = 5,468.24 × 2,002.21
4. Step 4: Simplify right side
   3,648.53x = 10,948,556.15
5. Step 5: Solve for x
   x = 10,948,556.15/3,648.53
6. Step 6: Final answer
   x = 3,000.81