Finding the Fourth Proportional to 22,376,214,109.59, 30,879,906,326.42 and 12,215,483,766.51

Step by Step Solution

1. Step 1: Write the proportion equation
   22,376,214,109.59 : 30,879,906,326.42 = 12,215,483,766.51 : x
2. Step 2: Convert to fraction form
   22,376,214,109.59/30,879,906,326.42 = 12,215,483,766.51/x
3. Step 3: Cross multiply
   22,376,214,109.59x = 30,879,906,326.42 × 12,215,483,766.51
4. Step 4: Simplify right side
   22,376,214,109.59x = 377,212,994,441,671,868,416
5. Step 5: Solve for x
   x = 377,212,994,441,671,868,416/22,376,214,109.59
6. Step 6: Final answer
   x = 16,857,766,581.70