Finding the Fourth Proportional to 33,728.76, 50,601.78 and 10,357.56

Step by Step Solution

1. Step 1: Write the proportion equation
   33,728.76 : 50,601.78 = 10,357.56 : x
2. Step 2: Convert to fraction form
   33,728.76/50,601.78 = 10,357.56/x
3. Step 3: Cross multiply
   33,728.76x = 50,601.78 × 10,357.56
4. Step 4: Simplify right side
   33,728.76x = 524,110,972.46
5. Step 5: Solve for x
   x = 524,110,972.46/33,728.76
6. Step 6: Final answer
   x = 15,538.99