Finding the Fourth Proportional to 23,249.35, 32,083.72 and 12,639.25

Step by Step Solution

1. Step 1: Write the proportion equation
   23,249.35 : 32,083.72 = 12,639.25 : x
2. Step 2: Convert to fraction form
   23,249.35/32,083.72 = 12,639.25/x
3. Step 3: Cross multiply
   23,249.35x = 32,083.72 × 12,639.25
4. Step 4: Simplify right side
   23,249.35x = 405,514,158.01
5. Step 5: Solve for x
   x = 405,514,158.01/23,249.35
6. Step 6: Final answer
   x = 17,441.96