Finding the Fourth Proportional to 12,415,061,231.89, 17,155,195,553.91 and 8,840,562,411.90

Step by Step Solution

1. Step 1: Write the proportion equation
   12,415,061,231.89 : 17,155,195,553.91 = 8,840,562,411.90 : x
2. Step 2: Convert to fraction form
   12,415,061,231.89/17,155,195,553.91 = 8,840,562,411.90/x
3. Step 3: Cross multiply
   12,415,061,231.89x = 17,155,195,553.91 × 8,840,562,411.90
4. Step 4: Simplify right side
   12,415,061,231.89x = 151,661,576,982,690,725,888
5. Step 5: Solve for x
   x = 151,661,576,982,690,725,888/12,415,061,231.89
6. Step 6: Final answer
   x = 12,215,934,674.02