Finding the Fourth Proportional to 443,412.27, 611,909.73 and 242,208.27

Step by Step Solution

1. Step 1: Write the proportion equation
   443,412.27 : 611,909.73 = 242,208.27 : x
2. Step 2: Convert to fraction form
   443,412.27/611,909.73 = 242,208.27/x
3. Step 3: Cross multiply
   443,412.27x = 611,909.73 × 242,208.27
4. Step 4: Simplify right side
   443,412.27x = 148,209,597,099.47
5. Step 5: Solve for x
   x = 148,209,597,099.47/443,412.27
6. Step 6: Final answer
   x = 334,247.85