Finding the Fourth Proportional to 23,287.07, 32,136.15 and 12,676.78

Step by Step Solution

1. Step 1: Write the proportion equation
   23,287.07 : 32,136.15 = 12,676.78 : x
2. Step 2: Convert to fraction form
   23,287.07/32,136.15 = 12,676.78/x
3. Step 3: Cross multiply
   23,287.07x = 32,136.15 × 12,676.78
4. Step 4: Simplify right side
   23,287.07x = 407,382,742.92
5. Step 5: Solve for x
   x = 407,382,742.92/23,287.07
6. Step 6: Final answer
   x = 17,493.95