Finding the Fourth Proportional to 16,002.72, 22,081.14 and 9,627.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,002.72 : 22,081.14 = 9,627.72 : x
2. Step 2: Convert to fraction form
   16,002.72/22,081.14 = 9,627.72/x
3. Step 3: Cross multiply
   16,002.72x = 22,081.14 × 9,627.72
4. Step 4: Simplify right side
   16,002.72x = 212,591,033.20
5. Step 5: Solve for x
   x = 212,591,033.20/16,002.72
6. Step 6: Final answer
   x = 13,284.68