Finding the Fourth Proportional to 18,433,609,196.09, 27,647,295,108.90 and 5,165,813,877.18

Step by Step Solution

1. Step 1: Write the proportion equation
   18,433,609,196.09 : 27,647,295,108.90 = 5,165,813,877.18 : x
2. Step 2: Convert to fraction form
   18,433,609,196.09/27,647,295,108.90 = 5,165,813,877.18/x
3. Step 3: Cross multiply
   18,433,609,196.09x = 27,647,295,108.90 × 5,165,813,877.18
4. Step 4: Simplify right side
   18,433,609,196.09x = 142,820,780,740,091,314,176
5. Step 5: Solve for x
   x = 142,820,780,740,091,314,176/18,433,609,196.09
6. Step 6: Final answer
   x = 7,747,846,838.94