Finding the Fourth Proportional to 25,665.27, 38,499.27 and 8,136.47

Step by Step Solution

1. Step 1: Write the proportion equation
   25,665.27 : 38,499.27 = 8,136.47 : x
2. Step 2: Convert to fraction form
   25,665.27/38,499.27 = 8,136.47/x
3. Step 3: Cross multiply
   25,665.27x = 38,499.27 × 8,136.47
4. Step 4: Simplify right side
   25,665.27x = 313,248,155.38
5. Step 5: Solve for x
   x = 313,248,155.38/25,665.27
6. Step 6: Final answer
   x = 12,205.14