Finding the Fourth Proportional to 443,443.27, 611,951.75 and 242,239.27

Step by Step Solution

1. Step 1: Write the proportion equation
   443,443.27 : 611,951.75 = 242,239.27 : x
2. Step 2: Convert to fraction form
   443,443.27/611,951.75 = 242,239.27/x
3. Step 3: Cross multiply
   443,443.27x = 611,951.75 × 242,239.27
4. Step 4: Simplify right side
   443,443.27x = 148,238,745,195.22
5. Step 5: Solve for x
   x = 148,238,745,195.22/443,443.27
6. Step 6: Final answer
   x = 334,290.21