Finding the Fourth Proportional to 16,225.56, 24,306.78 and 10,662.15

Step by Step Solution

1. Step 1: Write the proportion equation
   16,225.56 : 24,306.78 = 10,662.15 : x
2. Step 2: Convert to fraction form
   16,225.56/24,306.78 = 10,662.15/x
3. Step 3: Cross multiply
   16,225.56x = 24,306.78 × 10,662.15
4. Step 4: Simplify right side
   16,225.56x = 259,162,534.38
5. Step 5: Solve for x
   x = 259,162,534.38/16,225.56
6. Step 6: Final answer
   x = 15,972.49