Finding the Fourth Proportional to 10,797.72, 16,197.94 and 4,223.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,797.72 : 16,197.94 = 4,223.05 : x
2. Step 2: Convert to fraction form
   10,797.72/16,197.94 = 4,223.05/x
3. Step 3: Cross multiply
   10,797.72x = 16,197.94 × 4,223.05
4. Step 4: Simplify right side
   10,797.72x = 68,404,710.52
5. Step 5: Solve for x
   x = 68,404,710.52/10,797.72
6. Step 6: Final answer
   x = 6,335.11