Finding the Fourth Proportional to 11,067.12, 16,594.92 and 5,222.16

Step by Step Solution

1. Step 1: Write the proportion equation
   11,067.12 : 16,594.92 = 5,222.16 : x
2. Step 2: Convert to fraction form
   11,067.12/16,594.92 = 5,222.16/x
3. Step 3: Cross multiply
   11,067.12x = 16,594.92 × 5,222.16
4. Step 4: Simplify right side
   11,067.12x = 86,661,327.43
5. Step 5: Solve for x
   x = 86,661,327.43/11,067.12
6. Step 6: Final answer
   x = 7,830.52