Finding the Fourth Proportional to 23,286.72, 32,136.52 and 12,676.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,286.72 : 32,136.52 = 12,676.72 : x
2. Step 2: Convert to fraction form
   23,286.72/32,136.52 = 12,676.72/x
3. Step 3: Cross multiply
   23,286.72x = 32,136.52 × 12,676.72
4. Step 4: Simplify right side
   23,286.72x = 407,385,665.81
5. Step 5: Solve for x
   x = 407,385,665.81/23,286.72
6. Step 6: Final answer
   x = 17,494.33