Finding the Fourth Proportional to 50,558.50, 69,772.89 and 28,202.50

Step by Step Solution

1. Step 1: Write the proportion equation
   50,558.50 : 69,772.89 = 28,202.50 : x
2. Step 2: Convert to fraction form
   50,558.50/69,772.89 = 28,202.50/x
3. Step 3: Cross multiply
   50,558.50x = 69,772.89 × 28,202.50
4. Step 4: Simplify right side
   50,558.50x = 1,967,769,930.23
5. Step 5: Solve for x
   x = 1,967,769,930.23/50,558.50
6. Step 6: Final answer
   x = 38,920.65