Finding the Fourth Proportional to 16,499.58, 22,765.50 and 9,329.64

Step by Step Solution

1. Step 1: Write the proportion equation
   16,499.58 : 22,765.50 = 9,329.64 : x
2. Step 2: Convert to fraction form
   16,499.58/22,765.50 = 9,329.64/x
3. Step 3: Cross multiply
   16,499.58x = 22,765.50 × 9,329.64
4. Step 4: Simplify right side
   16,499.58x = 212,393,919.42
5. Step 5: Solve for x
   x = 212,393,919.42/16,499.58
6. Step 6: Final answer
   x = 12,872.69