Finding the Fourth Proportional to 33,864.50, 50,808.71 and 15,142.88

Step by Step Solution

1. Step 1: Write the proportion equation
   33,864.50 : 50,808.71 = 15,142.88 : x
2. Step 2: Convert to fraction form
   33,864.50/50,808.71 = 15,142.88/x
3. Step 3: Cross multiply
   33,864.50x = 50,808.71 × 15,142.88
4. Step 4: Simplify right side
   33,864.50x = 769,389,868.73
5. Step 5: Solve for x
   x = 769,389,868.73/33,864.50
6. Step 6: Final answer
   x = 22,719.66