Finding the Fourth Proportional to 78,907.14, 108,902.34 and 50,229.72

Step by Step Solution

1. Step 1: Write the proportion equation
   78,907.14 : 108,902.34 = 50,229.72 : x
2. Step 2: Convert to fraction form
   78,907.14/108,902.34 = 50,229.72/x
3. Step 3: Cross multiply
   78,907.14x = 108,902.34 × 50,229.72
4. Step 4: Simplify right side
   78,907.14x = 5,470,134,045.54
5. Step 5: Solve for x
   x = 5,470,134,045.54/78,907.14
6. Step 6: Final answer
   x = 69,323.69