Finding the Fourth Proportional to 16,284.06, 22,467.94 and 9,479.20

Step by Step Solution

1. Step 1: Write the proportion equation
   16,284.06 : 22,467.94 = 9,479.20 : x
2. Step 2: Convert to fraction form
   16,284.06/22,467.94 = 9,479.20/x
3. Step 3: Cross multiply
   16,284.06x = 22,467.94 × 9,479.20
4. Step 4: Simplify right side
   16,284.06x = 212,978,096.85
5. Step 5: Solve for x
   x = 212,978,096.85/16,284.06
6. Step 6: Final answer
   x = 13,078.93