Finding the Fourth Proportional to 16,910.50, 23,334.48 and 9,355.83

Step by Step Solution

1. Step 1: Write the proportion equation
   16,910.50 : 23,334.48 = 9,355.83 : x
2. Step 2: Convert to fraction form
   16,910.50/23,334.48 = 9,355.83/x
3. Step 3: Cross multiply
   16,910.50x = 23,334.48 × 9,355.83
4. Step 4: Simplify right side
   16,910.50x = 218,313,404.77
5. Step 5: Solve for x
   x = 218,313,404.77/16,910.50
6. Step 6: Final answer
   x = 12,909.94