Finding the Fourth Proportional to 424,245,920,786.72, 586,225,198,418.83 and 302,098,593,922.72

Step by Step Solution

1. Step 1: Write the proportion equation
   424,245,920,786.72 : 586,225,198,418.83 = 302,098,593,922.72 : x
2. Step 2: Convert to fraction form
   424,245,920,786.72/586,225,198,418.83 = 302,098,593,922.72/x
3. Step 3: Cross multiply
   424,245,920,786.72x = 586,225,198,418.83 × 302,098,593,922.72
4. Step 4: Simplify right side
   424,245,920,786.72x = 177,097,808,164,396,046,745,600
5. Step 5: Solve for x
   x = 177,097,808,164,396,046,745,600/424,245,920,786.72
6. Step 6: Final answer
   x = 417,441,393,039.18