Finding the Fourth Proportional to 12,222,838,470.66, 18,315,544,635 and 8,224,111,426.71

Step by Step Solution

1. Step 1: Write the proportion equation
   12,222,838,470.66 : 18,315,544,635 = 8,224,111,426.71 : x
2. Step 2: Convert to fraction form
   12,222,838,470.66/18,315,544,635 = 8,224,111,426.71/x
3. Step 3: Cross multiply
   12,222,838,470.66x = 18,315,544,635 × 8,224,111,426.71
4. Step 4: Simplify right side
   12,222,838,470.66x = 150,629,079,919,120,547,840
5. Step 5: Solve for x
   x = 150,629,079,919,120,547,840/12,222,838,470.66
6. Step 6: Final answer
   x = 12,323,576,089.20