Finding the Fourth Proportional to 21,857.25, 32,791.34 and 7,067.67

Step by Step Solution

1. Step 1: Write the proportion equation
   21,857.25 : 32,791.34 = 7,067.67 : x
2. Step 2: Convert to fraction form
   21,857.25/32,791.34 = 7,067.67/x
3. Step 3: Cross multiply
   21,857.25x = 32,791.34 × 7,067.67
4. Step 4: Simplify right side
   21,857.25x = 231,758,369.98
5. Step 5: Solve for x
   x = 231,758,369.98/21,857.25
6. Step 6: Final answer
   x = 10,603.27