Finding the Fourth Proportional to 443,813, 612,461.94 and 242,609

Step by Step Solution

1. Step 1: Write the proportion equation
   443,813 : 612,461.94 = 242,609 : x
2. Step 2: Convert to fraction form
   443,813/612,461.94 = 242,609/x
3. Step 3: Cross multiply
   443,813x = 612,461.94 × 242,609
4. Step 4: Simplify right side
   443,813x = 148,588,778,801.46
5. Step 5: Solve for x
   x = 148,588,778,801.46/443,813
6. Step 6: Final answer
   x = 334,800.42