Finding the Fourth Proportional to 443,854, 612,518.52 and 242,650

Step by Step Solution

1. Step 1: Write the proportion equation
   443,854 : 612,518.52 = 242,650 : x
2. Step 2: Convert to fraction form
   443,854/612,518.52 = 242,650/x
3. Step 3: Cross multiply
   443,854x = 612,518.52 × 242,650
4. Step 4: Simplify right side
   443,854x = 148,627,618,878
5. Step 5: Solve for x
   x = 148,627,618,878/443,854
6. Step 6: Final answer
   x = 334,857