Finding the Fourth Proportional to 443,809, 612,456.42 and 242,606.44

Step by Step Solution

1. Step 1: Write the proportion equation
   443,809 : 612,456.42 = 242,606.44 : x
2. Step 2: Convert to fraction form
   443,809/612,456.42 = 242,606.44/x
3. Step 3: Cross multiply
   443,809x = 612,456.42 × 242,606.44
4. Step 4: Simplify right side
   443,809x = 148,585,871,711.35
5. Step 5: Solve for x
   x = 148,585,871,711.35/443,809
6. Step 6: Final answer
   x = 334,796.89