Finding the Fourth Proportional to 50,866.50, 70,178.97 and 30,715.73

Step by Step Solution

1. Step 1: Write the proportion equation
   50,866.50 : 70,178.97 = 30,715.73 : x
2. Step 2: Convert to fraction form
   50,866.50/70,178.97 = 30,715.73/x
3. Step 3: Cross multiply
   50,866.50x = 70,178.97 × 30,715.73
4. Step 4: Simplify right side
   50,866.50x = 2,155,598,294.20
5. Step 5: Solve for x
   x = 2,155,598,294.20/50,866.50
6. Step 6: Final answer
   x = 42,377.56