Finding the Fourth Proportional to 16,551.34, 24,790.56 and 12,824.33

Step by Step Solution

1. Step 1: Write the proportion equation
   16,551.34 : 24,790.56 = 12,824.33 : x
2. Step 2: Convert to fraction form
   16,551.34/24,790.56 = 12,824.33/x
3. Step 3: Cross multiply
   16,551.34x = 24,790.56 × 12,824.33
4. Step 4: Simplify right side
   16,551.34x = 317,922,150.28
5. Step 5: Solve for x
   x = 317,922,150.28/16,551.34
6. Step 6: Final answer
   x = 19,208.25