Finding the Fourth Proportional to 12,258,722,220.86, 18,388,083,574.59 and 2,942,470,150.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,258,722,220.86 : 18,388,083,574.59 = 2,942,470,150.82 : x
2. Step 2: Convert to fraction form
   12,258,722,220.86/18,388,083,574.59 = 2,942,470,150.82/x
3. Step 3: Cross multiply
   12,258,722,220.86x = 18,388,083,574.59 × 2,942,470,150.82
4. Step 4: Simplify right side
   12,258,722,220.86x = 54,106,387,049,014,607,872
5. Step 5: Solve for x
   x = 54,106,387,049,014,607,872/12,258,722,220.86
6. Step 6: Final answer
   x = 4,413,705,284.63