Finding the Fourth Proportional to 120,817, 166,727.46 and 67,825

Step by Step Solution

1. Step 1: Write the proportion equation
   120,817 : 166,727.46 = 67,825 : x
2. Step 2: Convert to fraction form
   120,817/166,727.46 = 67,825/x
3. Step 3: Cross multiply
   120,817x = 166,727.46 × 67,825
4. Step 4: Simplify right side
   120,817x = 11,308,289,974.50
5. Step 5: Solve for x
   x = 11,308,289,974.50/120,817
6. Step 6: Final answer
   x = 93,598.50