Finding the Fourth Proportional to 23,249.72, 32,084.43 and 12,639.08

Step by Step Solution

1. Step 1: Write the proportion equation
   23,249.72 : 32,084.43 = 12,639.08 : x
2. Step 2: Convert to fraction form
   23,249.72/32,084.43 = 12,639.08/x
3. Step 3: Cross multiply
   23,249.72x = 32,084.43 × 12,639.08
4. Step 4: Simplify right side
   23,249.72x = 405,517,677.52
5. Step 5: Solve for x
   x = 405,517,677.52/23,249.72
6. Step 6: Final answer
   x = 17,441.83