Finding the Fourth Proportional to 8,867,997,188.95, 12,236,519,711.82 and 5,386,042,110.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,867,997,188.95 : 12,236,519,711.82 = 5,386,042,110.42 : x
2. Step 2: Convert to fraction form
   8,867,997,188.95/12,236,519,711.82 = 5,386,042,110.42/x
3. Step 3: Cross multiply
   8,867,997,188.95x = 12,236,519,711.82 × 5,386,042,110.42
4. Step 4: Simplify right side
   8,867,997,188.95x = 65,906,410,452,846,919,680
5. Step 5: Solve for x
   x = 65,906,410,452,846,919,680/8,867,997,188.95
6. Step 6: Final answer
   x = 7,431,938,581.91