Finding the Fourth Proportional to 10,817.57, 16,223.22 and 4,153.61

Step by Step Solution

1. Step 1: Write the proportion equation
   10,817.57 : 16,223.22 = 4,153.61 : x
2. Step 2: Convert to fraction form
   10,817.57/16,223.22 = 4,153.61/x
3. Step 3: Cross multiply
   10,817.57x = 16,223.22 × 4,153.61
4. Step 4: Simplify right side
   10,817.57x = 67,384,969.38
5. Step 5: Solve for x
   x = 67,384,969.38/10,817.57
6. Step 6: Final answer
   x = 6,229.21