Finding the Fourth Proportional to 78,356.48, 108,105.24 and 50,078.48

Step by Step Solution

1. Step 1: Write the proportion equation
   78,356.48 : 108,105.24 = 50,078.48 : x
2. Step 2: Convert to fraction form
   78,356.48/108,105.24 = 50,078.48/x
3. Step 3: Cross multiply
   78,356.48x = 108,105.24 × 50,078.48
4. Step 4: Simplify right side
   78,356.48x = 5,413,746,099.24
5. Step 5: Solve for x
   x = 5,413,746,099.24/78,356.48
6. Step 6: Final answer
   x = 69,091.24