Finding the Fourth Proportional to 120,624.72, 166,458.90 and 69,635.73

Step by Step Solution

1. Step 1: Write the proportion equation
   120,624.72 : 166,458.90 = 69,635.73 : x
2. Step 2: Convert to fraction form
   120,624.72/166,458.90 = 69,635.73/x
3. Step 3: Cross multiply
   120,624.72x = 166,458.90 × 69,635.73
4. Step 4: Simplify right side
   120,624.72x = 11,591,487,016.50
5. Step 5: Solve for x
   x = 11,591,487,016.50/120,624.72
6. Step 6: Final answer
   x = 96,095.45