Finding the Fourth Proportional to 9,150,507,076.47, 12,627,006,759.59 and 5,135,401,898.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,150,507,076.47 : 12,627,006,759.59 = 5,135,401,898.54 : x
2. Step 2: Convert to fraction form
   9,150,507,076.47/12,627,006,759.59 = 5,135,401,898.54/x
3. Step 3: Cross multiply
   9,150,507,076.47x = 12,627,006,759.59 × 5,135,401,898.54
4. Step 4: Simplify right side
   9,150,507,076.47x = 64,844,754,486,056,960,000
5. Step 5: Solve for x
   x = 64,844,754,486,056,960,000/9,150,507,076.47
6. Step 6: Final answer
   x = 7,086,465,694.65