Finding the Fourth Proportional to 50,605.91, 69,329.78 and 48,713.48

Step by Step Solution

1. Step 1: Write the proportion equation
   50,605.91 : 69,329.78 = 48,713.48 : x
2. Step 2: Convert to fraction form
   50,605.91/69,329.78 = 48,713.48/x
3. Step 3: Cross multiply
   50,605.91x = 69,329.78 × 48,713.48
4. Step 4: Simplify right side
   50,605.91x = 3,377,294,851.43
5. Step 5: Solve for x
   x = 3,377,294,851.43/50,605.91
6. Step 6: Final answer
   x = 66,737.16