Finding the Fourth Proportional to 140,651.25, 194,091.27 and 76,976.73

Step by Step Solution

1. Step 1: Write the proportion equation
   140,651.25 : 194,091.27 = 76,976.73 : x
2. Step 2: Convert to fraction form
   140,651.25/194,091.27 = 76,976.73/x
3. Step 3: Cross multiply
   140,651.25x = 194,091.27 × 76,976.73
4. Step 4: Simplify right side
   140,651.25x = 14,940,511,286.15
5. Step 5: Solve for x
   x = 14,940,511,286.15/140,651.25
6. Step 6: Final answer
   x = 106,223.81