Finding the Fourth Proportional to 50,715.86, 69,958.22 and 30,559.95

Step by Step Solution

1. Step 1: Write the proportion equation
   50,715.86 : 69,958.22 = 30,559.95 : x
2. Step 2: Convert to fraction form
   50,715.86/69,958.22 = 30,559.95/x
3. Step 3: Cross multiply
   50,715.86x = 69,958.22 × 30,559.95
4. Step 4: Simplify right side
   50,715.86x = 2,137,919,552.49
5. Step 5: Solve for x
   x = 2,137,919,552.49/50,715.86
6. Step 6: Final answer
   x = 42,154.86