Finding the Fourth Proportional to 300,409.50, 414,571.59 and 166,273.50

Step by Step Solution

1. Step 1: Write the proportion equation
   300,409.50 : 414,571.59 = 166,273.50 : x
2. Step 2: Convert to fraction form
   300,409.50/414,571.59 = 166,273.50/x
3. Step 3: Cross multiply
   300,409.50x = 414,571.59 × 166,273.50
4. Step 4: Simplify right side
   300,409.50x = 68,932,269,269.87
5. Step 5: Solve for x
   x = 68,932,269,269.87/300,409.50
6. Step 6: Final answer
   x = 229,461.02