Finding the Fourth Proportional to 16,793.69, 23,178.60 and 9,628.41

Step by Step Solution

1. Step 1: Write the proportion equation
   16,793.69 : 23,178.60 = 9,628.41 : x
2. Step 2: Convert to fraction form
   16,793.69/23,178.60 = 9,628.41/x
3. Step 3: Cross multiply
   16,793.69x = 23,178.60 × 9,628.41
4. Step 4: Simplify right side
   16,793.69x = 223,173,015.88
5. Step 5: Solve for x
   x = 223,173,015.88/16,793.69
6. Step 6: Final answer
   x = 13,289.10