Finding the Fourth Proportional to 16,443.84, 24,645.60 and 8,117.76

Step by Step Solution

1. Step 1: Write the proportion equation
   16,443.84 : 24,645.60 = 8,117.76 : x
2. Step 2: Convert to fraction form
   16,443.84/24,645.60 = 8,117.76/x
3. Step 3: Cross multiply
   16,443.84x = 24,645.60 × 8,117.76
4. Step 4: Simplify right side
   16,443.84x = 200,067,065.86
5. Step 5: Solve for x
   x = 200,067,065.86/16,443.84
6. Step 6: Final answer
   x = 12,166.69