Finding the Fourth Proportional to 10,817.37, 16,228.05 and 3,423.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,817.37 : 16,228.05 = 3,423.69 : x
2. Step 2: Convert to fraction form
   10,817.37/16,228.05 = 3,423.69/x
3. Step 3: Cross multiply
   10,817.37x = 16,228.05 × 3,423.69
4. Step 4: Simplify right side
   10,817.37x = 55,559,731.36
5. Step 5: Solve for x
   x = 55,559,731.36/10,817.37
6. Step 6: Final answer
   x = 5,136.16