Finding the Fourth Proportional to 50,689.98, 69,951.78 and 28,333.98

Step by Step Solution

1. Step 1: Write the proportion equation
   50,689.98 : 69,951.78 = 28,333.98 : x
2. Step 2: Convert to fraction form
   50,689.98/69,951.78 = 28,333.98/x
3. Step 3: Cross multiply
   50,689.98x = 69,951.78 × 28,333.98
4. Step 4: Simplify right side
   50,689.98x = 1,982,012,335.48
5. Step 5: Solve for x
   x = 1,982,012,335.48/50,689.98
6. Step 6: Final answer
   x = 39,100.67