Finding the Fourth Proportional to 12,496.38, 17,245.12 and 8,020.22

Step by Step Solution

1. Step 1: Write the proportion equation
   12,496.38 : 17,245.12 = 8,020.22 : x
2. Step 2: Convert to fraction form
   12,496.38/17,245.12 = 8,020.22/x
3. Step 3: Cross multiply
   12,496.38x = 17,245.12 × 8,020.22
4. Step 4: Simplify right side
   12,496.38x = 138,309,656.33
5. Step 5: Solve for x
   x = 138,309,656.33/12,496.38
6. Step 6: Final answer
   x = 11,067.98