Finding the Fourth Proportional to 140,661.82, 194,115.45 and 77,005.54

Step by Step Solution

1. Step 1: Write the proportion equation
   140,661.82 : 194,115.45 = 77,005.54 : x
2. Step 2: Convert to fraction form
   140,661.82/194,115.45 = 77,005.54/x
3. Step 3: Cross multiply
   140,661.82x = 194,115.45 × 77,005.54
4. Step 4: Simplify right side
   140,661.82x = 14,947,965,049.59
5. Step 5: Solve for x
   x = 14,947,965,049.59/140,661.82
6. Step 6: Final answer
   x = 106,268.82