Finding the Fourth Proportional to 10,796.38, 16,179.99 and 5,605.90

Step by Step Solution

1. Step 1: Write the proportion equation
   10,796.38 : 16,179.99 = 5,605.90 : x
2. Step 2: Convert to fraction form
   10,796.38/16,179.99 = 5,605.90/x
3. Step 3: Cross multiply
   10,796.38x = 16,179.99 × 5,605.90
4. Step 4: Simplify right side
   10,796.38x = 90,703,405.94
5. Step 5: Solve for x
   x = 90,703,405.94/10,796.38
6. Step 6: Final answer
   x = 8,401.28