Finding the Fourth Proportional to 25,636.32, 38,459.34 and 8,108.73

Step by Step Solution

1. Step 1: Write the proportion equation
   25,636.32 : 38,459.34 = 8,108.73 : x
2. Step 2: Convert to fraction form
   25,636.32/38,459.34 = 8,108.73/x
3. Step 3: Cross multiply
   25,636.32x = 38,459.34 × 8,108.73
4. Step 4: Simplify right side
   25,636.32x = 311,856,404.04
5. Step 5: Solve for x
   x = 311,856,404.04/25,636.32
6. Step 6: Final answer
   x = 12,164.63