Finding the Fourth Proportional to 140,654.82, 194,105.79 and 76,998.54

Step by Step Solution

1. Step 1: Write the proportion equation
   140,654.82 : 194,105.79 = 76,998.54 : x
2. Step 2: Convert to fraction form
   140,654.82/194,105.79 = 76,998.54/x
3. Step 3: Cross multiply
   140,654.82x = 194,105.79 × 76,998.54
4. Step 4: Simplify right side
   140,654.82x = 14,945,862,435.55
5. Step 5: Solve for x
   x = 14,945,862,435.55/140,654.82
6. Step 6: Final answer
   x = 106,259.16