Finding the Fourth Proportional to 444,145.82, 612,919.46 and 240,196.96

Step by Step Solution

1. Step 1: Write the proportion equation
   444,145.82 : 612,919.46 = 240,196.96 : x
2. Step 2: Convert to fraction form
   444,145.82/612,919.46 = 240,196.96/x
3. Step 3: Cross multiply
   444,145.82x = 612,919.46 × 240,196.96
4. Step 4: Simplify right side
   444,145.82x = 147,221,392,383.48
5. Step 5: Solve for x
   x = 147,221,392,383.48/444,145.82
6. Step 6: Final answer
   x = 331,470.85