Finding the Fourth Proportional to 14,786.38, 20,404.33 and 8,498.76

Step by Step Solution

1. Step 1: Write the proportion equation
   14,786.38 : 20,404.33 = 8,498.76 : x
2. Step 2: Convert to fraction form
   14,786.38/20,404.33 = 8,498.76/x
3. Step 3: Cross multiply
   14,786.38x = 20,404.33 × 8,498.76
4. Step 4: Simplify right side
   14,786.38x = 173,411,503.63
5. Step 5: Solve for x
   x = 173,411,503.63/14,786.38
6. Step 6: Final answer
   x = 11,727.79