Finding the Fourth Proportional to 23,396.36, 32,287.06 and 12,786.00

Step by Step Solution

1. Step 1: Write the proportion equation
   23,396.36 : 32,287.06 = 12,786.00 : x
2. Step 2: Convert to fraction form
   23,396.36/32,287.06 = 12,786.00/x
3. Step 3: Cross multiply
   23,396.36x = 32,287.06 × 12,786.00
4. Step 4: Simplify right side
   23,396.36x = 412,822,155.76
5. Step 5: Solve for x
   x = 412,822,155.76/23,396.36
6. Step 6: Final answer
   x = 17,644.72