Finding the Fourth Proportional to 23,397.13, 32,288.06 and 12,786.77

Step by Step Solution

1. Step 1: Write the proportion equation
   23,397.13 : 32,288.06 = 12,786.77 : x
2. Step 2: Convert to fraction form
   23,397.13/32,288.06 = 12,786.77/x
3. Step 3: Cross multiply
   23,397.13x = 32,288.06 × 12,786.77
4. Step 4: Simplify right side
   23,397.13x = 412,859,819.54
5. Step 5: Solve for x
   x = 412,859,819.54/23,397.13
6. Step 6: Final answer
   x = 17,645.75