Finding the Fourth Proportional to 10,796.72, 16,196.44 and 4,222.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,796.72 : 16,196.44 = 4,222.05 : x
2. Step 2: Convert to fraction form
   10,796.72/16,196.44 = 4,222.05/x
3. Step 3: Cross multiply
   10,796.72x = 16,196.44 × 4,222.05
4. Step 4: Simplify right side
   10,796.72x = 68,382,179.49
5. Step 5: Solve for x
   x = 68,382,179.49/10,796.72
6. Step 6: Final answer
   x = 6,333.61