Finding the Fourth Proportional to 14,817.58, 20,446.83 and 8,443.69

Step by Step Solution

1. Step 1: Write the proportion equation
   14,817.58 : 20,446.83 = 8,443.69 : x
2. Step 2: Convert to fraction form
   14,817.58/20,446.83 = 8,443.69/x
3. Step 3: Cross multiply
   14,817.58x = 20,446.83 × 8,443.69
4. Step 4: Simplify right side
   14,817.58x = 172,646,757.90
5. Step 5: Solve for x
   x = 172,646,757.90/14,817.58
6. Step 6: Final answer
   x = 11,651.48