Finding the Fourth Proportional to 129,434.54, 194,072.52 and 50,456.50

Step by Step Solution

1. Step 1: Write the proportion equation
   129,434.54 : 194,072.52 = 50,456.50 : x
2. Step 2: Convert to fraction form
   129,434.54/194,072.52 = 50,456.50/x
3. Step 3: Cross multiply
   129,434.54x = 194,072.52 × 50,456.50
4. Step 4: Simplify right side
   129,434.54x = 9,792,220,105.38
5. Step 5: Solve for x
   x = 9,792,220,105.38/129,434.54
6. Step 6: Final answer
   x = 75,653.84