Finding the Fourth Proportional to 16,171.77, 22,313.69 and 9,456.09

Step by Step Solution

1. Step 1: Write the proportion equation
   16,171.77 : 22,313.69 = 9,456.09 : x
2. Step 2: Convert to fraction form
   16,171.77/22,313.69 = 9,456.09/x
3. Step 3: Cross multiply
   16,171.77x = 22,313.69 × 9,456.09
4. Step 4: Simplify right side
   16,171.77x = 211,000,213.59
5. Step 5: Solve for x
   x = 211,000,213.59/16,171.77
6. Step 6: Final answer
   x = 13,047.44