Finding the Fourth Proportional to 13,113,200,605.16, 18,096,270,983.25 and 7,091,705,878.22

Step by Step Solution

1. Step 1: Write the proportion equation
   13,113,200,605.16 : 18,096,270,983.25 = 7,091,705,878.22 : x
2. Step 2: Convert to fraction form
   13,113,200,605.16/18,096,270,983.25 = 7,091,705,878.22/x
3. Step 3: Cross multiply
   13,113,200,605.16x = 18,096,270,983.25 × 7,091,705,878.22
4. Step 4: Simplify right side
   13,113,200,605.16x = 128,333,431,305,785,819,136
5. Step 5: Solve for x
   x = 128,333,431,305,785,819,136/13,113,200,605.16
6. Step 6: Final answer
   x = 9,786,583,395.61