Finding the Fourth Proportional to 23,469.50, 32,388.30 and 12,859.71

Step by Step Solution

1. Step 1: Write the proportion equation
   23,469.50 : 32,388.30 = 12,859.71 : x
2. Step 2: Convert to fraction form
   23,469.50/32,388.30 = 12,859.71/x
3. Step 3: Cross multiply
   23,469.50x = 32,388.30 × 12,859.71
4. Step 4: Simplify right side
   23,469.50x = 416,504,145.39
5. Step 5: Solve for x
   x = 416,504,145.39/23,469.50
6. Step 6: Final answer
   x = 17,746.62