Finding the Fourth Proportional to 443,775, 612,409.50 and 242,571

Step by Step Solution

1. Step 1: Write the proportion equation
   443,775 : 612,409.50 = 242,571 : x
2. Step 2: Convert to fraction form
   443,775/612,409.50 = 242,571/x
3. Step 3: Cross multiply
   443,775x = 612,409.50 × 242,571
4. Step 4: Simplify right side
   443,775x = 148,552,784,824.50
5. Step 5: Solve for x
   x = 148,552,784,824.50/443,775
6. Step 6: Final answer
   x = 334,747.98