Finding the Fourth Proportional to 33,300.72, 49,960.80 and 15,785.28

Step by Step Solution

1. Step 1: Write the proportion equation
   33,300.72 : 49,960.80 = 15,785.28 : x
2. Step 2: Convert to fraction form
   33,300.72/49,960.80 = 15,785.28/x
3. Step 3: Cross multiply
   33,300.72x = 49,960.80 × 15,785.28
4. Step 4: Simplify right side
   33,300.72x = 788,645,217.02
5. Step 5: Solve for x
   x = 788,645,217.02/33,300.72
6. Step 6: Final answer
   x = 23,682.53