Finding the Fourth Proportional to 15,123,812,467.39, 22,685,407,174.94 and 5,040,257,665.21

Step by Step Solution

1. Step 1: Write the proportion equation
   15,123,812,467.39 : 22,685,407,174.94 = 5,040,257,665.21 : x
2. Step 2: Convert to fraction form
   15,123,812,467.39/22,685,407,174.94 = 5,040,257,665.21/x
3. Step 3: Cross multiply
   15,123,812,467.39x = 22,685,407,174.94 × 5,040,257,665.21
4. Step 4: Simplify right side
   15,123,812,467.39x = 114,340,297,401,819,365,376
5. Step 5: Solve for x
   x = 114,340,297,401,819,365,376/15,123,812,467.39
6. Step 6: Final answer
   x = 7,560,282,676.63