Finding the Fourth Proportional to 22,067.25, 30,452.85 and 12,131.25

Step by Step Solution

1. Step 1: Write the proportion equation
   22,067.25 : 30,452.85 = 12,131.25 : x
2. Step 2: Convert to fraction form
   22,067.25/30,452.85 = 12,131.25/x
3. Step 3: Cross multiply
   22,067.25x = 30,452.85 × 12,131.25
4. Step 4: Simplify right side
   22,067.25x = 369,431,136.56
5. Step 5: Solve for x
   x = 369,431,136.56/22,067.25
6. Step 6: Final answer
   x = 16,741.15