Finding the Fourth Proportional to 50,456.20, 69,626.82 and 27,790.78

Step by Step Solution

1. Step 1: Write the proportion equation
   50,456.20 : 69,626.82 = 27,790.78 : x
2. Step 2: Convert to fraction form
   50,456.20/69,626.82 = 27,790.78/x
3. Step 3: Cross multiply
   50,456.20x = 69,626.82 × 27,790.78
4. Step 4: Simplify right side
   50,456.20x = 1,934,983,636.72
5. Step 5: Solve for x
   x = 1,934,983,636.72/50,456.20
6. Step 6: Final answer
   x = 38,349.77