Finding the Fourth Proportional to 50,565.42, 69,783.39 and 28,209.42

Step by Step Solution

1. Step 1: Write the proportion equation
   50,565.42 : 69,783.39 = 28,209.42 : x
2. Step 2: Convert to fraction form
   50,565.42/69,783.39 = 28,209.42/x
3. Step 3: Cross multiply
   50,565.42x = 69,783.39 × 28,209.42
4. Step 4: Simplify right side
   50,565.42x = 1,968,548,957.53
5. Step 5: Solve for x
   x = 1,968,548,957.53/50,565.42
6. Step 6: Final answer
   x = 38,930.73