Finding the Fourth Proportional to 16,179, 22,327.56 and 9,890.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,179 : 22,327.56 = 9,890.16 : x
2. Step 2: Convert to fraction form
   16,179/22,327.56 = 9,890.16/x
3. Step 3: Cross multiply
   16,179x = 22,327.56 × 9,890.16
4. Step 4: Simplify right side
   16,179x = 220,823,140.81
5. Step 5: Solve for x
   x = 220,823,140.81/16,179
6. Step 6: Final answer
   x = 13,648.75