Finding the Fourth Proportional to 50,565.28, 69,747.60 and 30,693.28

Step by Step Solution

1. Step 1: Write the proportion equation
   50,565.28 : 69,747.60 = 30,693.28 : x
2. Step 2: Convert to fraction form
   50,565.28/69,747.60 = 30,693.28/x
3. Step 3: Cross multiply
   50,565.28x = 69,747.60 × 30,693.28
4. Step 4: Simplify right side
   50,565.28x = 2,140,782,616.13
5. Step 5: Solve for x
   x = 2,140,782,616.13/50,565.28
6. Step 6: Final answer
   x = 42,337.01