Finding the Fourth Proportional to 33,499.36, 50,250.72 and 12,724.48

Step by Step Solution

1. Step 1: Write the proportion equation
   33,499.36 : 50,250.72 = 12,724.48 : x
2. Step 2: Convert to fraction form
   33,499.36/50,250.72 = 12,724.48/x
3. Step 3: Cross multiply
   33,499.36x = 50,250.72 × 12,724.48
4. Step 4: Simplify right side
   33,499.36x = 639,414,281.63
5. Step 5: Solve for x
   x = 639,414,281.63/33,499.36
6. Step 6: Final answer
   x = 19,087.36