Finding the Fourth Proportional to 443,559.38, 612,111.94 and 242,355.38

Step by Step Solution

1. Step 1: Write the proportion equation
   443,559.38 : 612,111.94 = 242,355.38 : x
2. Step 2: Convert to fraction form
   443,559.38/612,111.94 = 242,355.38/x
3. Step 3: Cross multiply
   443,559.38x = 612,111.94 × 242,355.38
4. Step 4: Simplify right side
   443,559.38x = 148,348,618,154.79
5. Step 5: Solve for x
   x = 148,348,618,154.79/443,559.38
6. Step 6: Final answer
   x = 334,450.42