Finding the Fourth Proportional to 16,623.41, 22,940.75 and 9,909.59

Step by Step Solution

1. Step 1: Write the proportion equation
   16,623.41 : 22,940.75 = 9,909.59 : x
2. Step 2: Convert to fraction form
   16,623.41/22,940.75 = 9,909.59/x
3. Step 3: Cross multiply
   16,623.41x = 22,940.75 × 9,909.59
4. Step 4: Simplify right side
   16,623.41x = 227,333,336.86
5. Step 5: Solve for x
   x = 227,333,336.86/16,623.41
6. Step 6: Final answer
   x = 13,675.50