Finding the Fourth Proportional to 3,443.17, 5,183.49 and 3,136.99

Step by Step Solution

1. Step 1: Write the proportion equation
   3,443.17 : 5,183.49 = 3,136.99 : x
2. Step 2: Convert to fraction form
   3,443.17/5,183.49 = 3,136.99/x
3. Step 3: Cross multiply
   3,443.17x = 5,183.49 × 3,136.99
4. Step 4: Simplify right side
   3,443.17x = 16,260,514.69
5. Step 5: Solve for x
   x = 16,260,514.69/3,443.17
6. Step 6: Final answer
   x = 4,722.55