Finding the Fourth Proportional to 10,817.49, 16,228.24 and 3,423.81

Step by Step Solution

1. Step 1: Write the proportion equation
   10,817.49 : 16,228.24 = 3,423.81 : x
2. Step 2: Convert to fraction form
   10,817.49/16,228.24 = 3,423.81/x
3. Step 3: Cross multiply
   10,817.49x = 16,228.24 × 3,423.81
4. Step 4: Simplify right side
   10,817.49x = 55,562,401.83
5. Step 5: Solve for x
   x = 55,562,401.83/10,817.49
6. Step 6: Final answer
   x = 5,136.35