Finding the Fourth Proportional to 10,997.37, 16,497.27 and 4,423.68

Step by Step Solution

1. Step 1: Write the proportion equation
   10,997.37 : 16,497.27 = 4,423.68 : x
2. Step 2: Convert to fraction form
   10,997.37/16,497.27 = 4,423.68/x
3. Step 3: Cross multiply
   10,997.37x = 16,497.27 × 4,423.68
4. Step 4: Simplify right side
   10,997.37x = 72,978,643.35
5. Step 5: Solve for x
   x = 72,978,643.35/10,997.37
6. Step 6: Final answer
   x = 6,636.01