Finding the Fourth Proportional to 23,287.16, 32,136.28 and 12,676.79

Step by Step Solution

1. Step 1: Write the proportion equation
   23,287.16 : 32,136.28 = 12,676.79 : x
2. Step 2: Convert to fraction form
   23,287.16/32,136.28 = 12,676.79/x
3. Step 3: Cross multiply
   23,287.16x = 32,136.28 × 12,676.79
4. Step 4: Simplify right side
   23,287.16x = 407,384,921.59
5. Step 5: Solve for x
   x = 407,384,921.59/23,287.16
6. Step 6: Final answer
   x = 17,493.97