Finding the Fourth Proportional to 10,997.16, 16,496.52 and 4,423.38

Step by Step Solution

1. Step 1: Write the proportion equation
   10,997.16 : 16,496.52 = 4,423.38 : x
2. Step 2: Convert to fraction form
   10,997.16/16,496.52 = 4,423.38/x
3. Step 3: Cross multiply
   10,997.16x = 16,496.52 × 4,423.38
4. Step 4: Simplify right side
   10,997.16x = 72,970,360.05
5. Step 5: Solve for x
   x = 72,970,360.05/10,997.16
6. Step 6: Final answer
   x = 6,635.38