Finding the Fourth Proportional to 50,456.44, 69,630.24 and 28,947.12

Step by Step Solution

1. Step 1: Write the proportion equation
   50,456.44 : 69,630.24 = 28,947.12 : x
2. Step 2: Convert to fraction form
   50,456.44/69,630.24 = 28,947.12/x
3. Step 3: Cross multiply
   50,456.44x = 69,630.24 × 28,947.12
4. Step 4: Simplify right side
   50,456.44x = 2,015,594,912.91
5. Step 5: Solve for x
   x = 2,015,594,912.91/50,456.44
6. Step 6: Final answer
   x = 39,947.23