Finding the Fourth Proportional to 6,144,058,128.61, 8,478,839,365.65 and 3,603,222,042.67

Step by Step Solution

1. Step 1: Write the proportion equation
   6,144,058,128.61 : 8,478,839,365.65 = 3,603,222,042.67 : x
2. Step 2: Convert to fraction form
   6,144,058,128.61/8,478,839,365.65 = 3,603,222,042.67/x
3. Step 3: Cross multiply
   6,144,058,128.61x = 8,478,839,365.65 × 3,603,222,042.67
4. Step 4: Simplify right side
   6,144,058,128.61x = 30,551,140,898,568,200,192
5. Step 5: Solve for x
   x = 30,551,140,898,568,200,192/6,144,058,128.61
6. Step 6: Final answer
   x = 4,972,469,377.58