Finding the Fourth Proportional to 319,016.72, 440,262.72 and 175,776.72

Step by Step Solution

1. Step 1: Write the proportion equation
   319,016.72 : 440,262.72 = 175,776.72 : x
2. Step 2: Convert to fraction form
   319,016.72/440,262.72 = 175,776.72/x
3. Step 3: Cross multiply
   319,016.72x = 440,262.72 × 175,776.72
4. Step 4: Simplify right side
   319,016.72x = 77,387,936,859.88
5. Step 5: Solve for x
   x = 77,387,936,859.88/319,016.72
6. Step 6: Final answer
   x = 242,582.70