Finding the Fourth Proportional to 16,081.60, 22,192.70 and 9,008

Step by Step Solution

1. Step 1: Write the proportion equation
   16,081.60 : 22,192.70 = 9,008 : x
2. Step 2: Convert to fraction form
   16,081.60/22,192.70 = 9,008/x
3. Step 3: Cross multiply
   16,081.60x = 22,192.70 × 9,008
4. Step 4: Simplify right side
   16,081.60x = 199,911,841.60
5. Step 5: Solve for x
   x = 199,911,841.60/16,081.60
6. Step 6: Final answer
   x = 12,431.09