Finding the Fourth Proportional to 16,422.87, 24,634.05 and 11,144.78

Step by Step Solution

1. Step 1: Write the proportion equation
   16,422.87 : 24,634.05 = 11,144.78 : x
2. Step 2: Convert to fraction form
   16,422.87/24,634.05 = 11,144.78/x
3. Step 3: Cross multiply
   16,422.87x = 24,634.05 × 11,144.78
4. Step 4: Simplify right side
   16,422.87x = 274,540,944.59
5. Step 5: Solve for x
   x = 274,540,944.59/16,422.87
6. Step 6: Final answer
   x = 16,716.99