Finding the Fourth Proportional to 120,892.91, 166,847.56 and 73,146.65

Step by Step Solution

1. Step 1: Write the proportion equation
   120,892.91 : 166,847.56 = 73,146.65 : x
2. Step 2: Convert to fraction form
   120,892.91/166,847.56 = 73,146.65/x
3. Step 3: Cross multiply
   120,892.91x = 166,847.56 × 73,146.65
4. Step 4: Simplify right side
   120,892.91x = 12,204,339,291.82
5. Step 5: Solve for x
   x = 12,204,339,291.82/120,892.91
6. Step 6: Final answer
   x = 100,951.66