Finding the Fourth Proportional to 16,171.63, 22,316.27 and 9,001.31

Step by Step Solution

1. Step 1: Write the proportion equation
   16,171.63 : 22,316.27 = 9,001.31 : x
2. Step 2: Convert to fraction form
   16,171.63/22,316.27 = 9,001.31/x
3. Step 3: Cross multiply
   16,171.63x = 22,316.27 × 9,001.31
4. Step 4: Simplify right side
   16,171.63x = 200,875,642.04
5. Step 5: Solve for x
   x = 200,875,642.04/16,171.63
6. Step 6: Final answer
   x = 12,421.48