Finding the Fourth Proportional to 296,304.09, 408,900.72 and 160,338.03

Step by Step Solution

1. Step 1: Write the proportion equation
   296,304.09 : 408,900.72 = 160,338.03 : x
2. Step 2: Convert to fraction form
   296,304.09/408,900.72 = 160,338.03/x
3. Step 3: Cross multiply
   296,304.09x = 408,900.72 × 160,338.03
4. Step 4: Simplify right side
   296,304.09x = 65,562,335,910.38
5. Step 5: Solve for x
   x = 65,562,335,910.38/296,304.09
6. Step 6: Final answer
   x = 221,267.06