Finding the Fourth Proportional to 23,397.35, 32,288.78 and 12,786.76

Step by Step Solution

1. Step 1: Write the proportion equation
   23,397.35 : 32,288.78 = 12,786.76 : x
2. Step 2: Convert to fraction form
   23,397.35/32,288.78 = 12,786.76/x
3. Step 3: Cross multiply
   23,397.35x = 32,288.78 × 12,786.76
4. Step 4: Simplify right side
   23,397.35x = 412,868,831.80
5. Step 5: Solve for x
   x = 412,868,831.80/23,397.35
6. Step 6: Final answer
   x = 17,645.96