Finding the Fourth Proportional to 23,249.94, 32,083.59 and 12,639.51

Step by Step Solution

1. Step 1: Write the proportion equation
   23,249.94 : 32,083.59 = 12,639.51 : x
2. Step 2: Convert to fraction form
   23,249.94/32,083.59 = 12,639.51/x
3. Step 3: Cross multiply
   23,249.94x = 32,083.59 × 12,639.51
4. Step 4: Simplify right side
   23,249.94x = 405,520,856.64
5. Step 5: Solve for x
   x = 405,520,856.64/23,249.94
6. Step 6: Final answer
   x = 17,441.80