Finding the Fourth Proportional to 23,249.82, 32,086.06 and 12,639.22

Step by Step Solution

1. Step 1: Write the proportion equation
   23,249.82 : 32,086.06 = 12,639.22 : x
2. Step 2: Convert to fraction form
   23,249.82/32,086.06 = 12,639.22/x
3. Step 3: Cross multiply
   23,249.82x = 32,086.06 × 12,639.22
4. Step 4: Simplify right side
   23,249.82x = 405,542,771.27
5. Step 5: Solve for x
   x = 405,542,771.27/23,249.82
6. Step 6: Final answer
   x = 17,442.83