Finding the Fourth Proportional to 406,223.72, 560,581.89 and 224,931.75

Step by Step Solution

1. Step 1: Write the proportion equation
   406,223.72 : 560,581.89 = 224,931.75 : x
2. Step 2: Convert to fraction form
   406,223.72/560,581.89 = 224,931.75/x
3. Step 3: Cross multiply
   406,223.72x = 560,581.89 × 224,931.75
4. Step 4: Simplify right side
   406,223.72x = 126,092,665,536.01
5. Step 5: Solve for x
   x = 126,092,665,536.01/406,223.72
6. Step 6: Final answer
   x = 310,402.03