Finding the Fourth Proportional to 443,443.02, 611,951.41 and 242,239.02

Step by Step Solution

1. Step 1: Write the proportion equation
   443,443.02 : 611,951.41 = 242,239.02 : x
2. Step 2: Convert to fraction form
   443,443.02/611,951.41 = 242,239.02/x
3. Step 3: Cross multiply
   443,443.02x = 611,951.41 × 242,239.02
4. Step 4: Simplify right side
   443,443.02x = 148,238,508,634.82
5. Step 5: Solve for x
   x = 148,238,508,634.82/443,443.02
6. Step 6: Final answer
   x = 334,289.87