Finding the Fourth Proportional to 16,443.92, 24,678.84 and 7,682.96

Step by Step Solution

1. Step 1: Write the proportion equation
   16,443.92 : 24,678.84 = 7,682.96 : x
2. Step 2: Convert to fraction form
   16,443.92/24,678.84 = 7,682.96/x
3. Step 3: Cross multiply
   16,443.92x = 24,678.84 × 7,682.96
4. Step 4: Simplify right side
   16,443.92x = 189,606,540.57
5. Step 5: Solve for x
   x = 189,606,540.57/16,443.92
6. Step 6: Final answer
   x = 11,530.50