Finding the Fourth Proportional to 12,047,403,849.07, 16,607,895,142.70 and 8,419,162,906.15

Step by Step Solution

1. Step 1: Write the proportion equation
   12,047,403,849.07 : 16,607,895,142.70 = 8,419,162,906.15 : x
2. Step 2: Convert to fraction form
   12,047,403,849.07/16,607,895,142.70 = 8,419,162,906.15/x
3. Step 3: Cross multiply
   12,047,403,849.07x = 16,607,895,142.70 × 8,419,162,906.15
4. Step 4: Simplify right side
   12,047,403,849.07x = 139,824,574,734,648,606,720
5. Step 5: Solve for x
   x = 139,824,574,734,648,606,720/12,047,403,849.07
6. Step 6: Final answer
   x = 11,606,199,683.05