Finding the Fourth Proportional to 406,016.43, 560,288.39 and 224,728.71

Step by Step Solution

1. Step 1: Write the proportion equation
   406,016.43 : 560,288.39 = 224,728.71 : x
2. Step 2: Convert to fraction form
   406,016.43/560,288.39 = 224,728.71/x
3. Step 3: Cross multiply
   406,016.43x = 560,288.39 × 224,728.71
4. Step 4: Simplify right side
   406,016.43x = 125,912,885,989.03
5. Step 5: Solve for x
   x = 125,912,885,989.03/406,016.43
6. Step 6: Final answer
   x = 310,117.71