Finding the Fourth Proportional to 120,919.92, 166,856.81 and 67,196.27

Step by Step Solution

1. Step 1: Write the proportion equation
   120,919.92 : 166,856.81 = 67,196.27 : x
2. Step 2: Convert to fraction form
   120,919.92/166,856.81 = 67,196.27/x
3. Step 3: Cross multiply
   120,919.92x = 166,856.81 × 67,196.27
4. Step 4: Simplify right side
   120,919.92x = 11,212,154,085.83
5. Step 5: Solve for x
   x = 11,212,154,085.83/120,919.92
6. Step 6: Final answer
   x = 92,723.80