Finding the Fourth Proportional to 321,357.29, 443,614.32 and 224,939.82

Step by Step Solution

1. Step 1: Write the proportion equation
   321,357.29 : 443,614.32 = 224,939.82 : x
2. Step 2: Convert to fraction form
   321,357.29/443,614.32 = 224,939.82/x
3. Step 3: Cross multiply
   321,357.29x = 443,614.32 × 224,939.82
4. Step 4: Simplify right side
   321,357.29x = 99,786,525,290.22
5. Step 5: Solve for x
   x = 99,786,525,290.22/321,357.29
6. Step 6: Final answer
   x = 310,515.83