Finding the Fourth Proportional to 68,171.27, 102,118.39 and 50,454.74

Step by Step Solution

1. Step 1: Write the proportion equation
   68,171.27 : 102,118.39 = 50,454.74 : x
2. Step 2: Convert to fraction form
   68,171.27/102,118.39 = 50,454.74/x
3. Step 3: Cross multiply
   68,171.27x = 102,118.39 × 50,454.74
4. Step 4: Simplify right side
   68,171.27x = 5,152,356,945.83
5. Step 5: Solve for x
   x = 5,152,356,945.83/68,171.27
6. Step 6: Final answer
   x = 75,579.60