Finding the Fourth Proportional to 120,996.05, 166,929.89 and 73,231.97

Step by Step Solution

1. Step 1: Write the proportion equation
   120,996.05 : 166,929.89 = 73,231.97 : x
2. Step 2: Convert to fraction form
   120,996.05/166,929.89 = 73,231.97/x
3. Step 3: Cross multiply
   120,996.05x = 166,929.89 × 73,231.97
4. Step 4: Simplify right side
   120,996.05x = 12,224,603,495.77
5. Step 5: Solve for x
   x = 12,224,603,495.77/120,996.05
6. Step 6: Final answer
   x = 101,033.08