Finding the Fourth Proportional to 11,562,422,872.18, 17,340,269,673.89 and 4,478,325,728.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,562,422,872.18 : 17,340,269,673.89 = 4,478,325,728.72 : x
2. Step 2: Convert to fraction form
   11,562,422,872.18/17,340,269,673.89 = 4,478,325,728.72/x
3. Step 3: Cross multiply
   11,562,422,872.18x = 17,340,269,673.89 × 4,478,325,728.72
4. Step 4: Simplify right side
   11,562,422,872.18x = 77,655,375,823,520,284,672
5. Step 5: Solve for x
   x = 77,655,375,823,520,284,672/11,562,422,872.18
6. Step 6: Final answer
   x = 6,716,185,412.17