Finding the Fourth Proportional to 19,389,682,148.72, 29,092,922,377.89 and 10,415,399,834.30

Step by Step Solution

1. Step 1: Write the proportion equation
   19,389,682,148.72 : 29,092,922,377.89 = 10,415,399,834.30 : x
2. Step 2: Convert to fraction form
   19,389,682,148.72/29,092,922,377.89 = 10,415,399,834.30/x
3. Step 3: Cross multiply
   19,389,682,148.72x = 29,092,922,377.89 × 10,415,399,834.30
4. Step 4: Simplify right side
   19,389,682,148.72x = 303,014,418,913,832,796,160
5. Step 5: Solve for x
   x = 303,014,418,913,832,796,160/19,389,682,148.72
6. Step 6: Final answer
   x = 15,627,611,457.98