Finding the Fourth Proportional to 50,392.27, 69,544.20 and 28,885.60

Step by Step Solution

1. Step 1: Write the proportion equation
   50,392.27 : 69,544.20 = 28,885.60 : x
2. Step 2: Convert to fraction form
   50,392.27/69,544.20 = 28,885.60/x
3. Step 3: Cross multiply
   50,392.27x = 69,544.20 × 28,885.60
4. Step 4: Simplify right side
   50,392.27x = 2,008,825,747.59
5. Step 5: Solve for x
   x = 2,008,825,747.59/50,392.27
6. Step 6: Final answer
   x = 39,863.77