Finding the Fourth Proportional to 443,994.82, 612,700.41 and 242,786.50

Step by Step Solution

1. Step 1: Write the proportion equation
   443,994.82 : 612,700.41 = 242,786.50 : x
2. Step 2: Convert to fraction form
   443,994.82/612,700.41 = 242,786.50/x
3. Step 3: Cross multiply
   443,994.82x = 612,700.41 × 242,786.50
4. Step 4: Simplify right side
   443,994.82x = 148,755,388,092.47
5. Step 5: Solve for x
   x = 148,755,388,092.47/443,994.82
6. Step 6: Final answer
   x = 335,038.57