Finding the Fourth Proportional to 16,550.50, 22,839.69 and 10,961.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,550.50 : 22,839.69 = 10,961.50 : x
2. Step 2: Convert to fraction form
   16,550.50/22,839.69 = 10,961.50/x
3. Step 3: Cross multiply
   16,550.50x = 22,839.69 × 10,961.50
4. Step 4: Simplify right side
   16,550.50x = 250,357,261.94
5. Step 5: Solve for x
   x = 250,357,261.94/16,550.50
6. Step 6: Final answer
   x = 15,126.87