Finding the Fourth Proportional to 9,404,693,805.45, 12,978,479,570.03 and 5,175,605,694.08

Step by Step Solution

1. Step 1: Write the proportion equation
   9,404,693,805.45 : 12,978,479,570.03 = 5,175,605,694.08 : x
2. Step 2: Convert to fraction form
   9,404,693,805.45/12,978,479,570.03 = 5,175,605,694.08/x
3. Step 3: Cross multiply
   9,404,693,805.45x = 12,978,479,570.03 × 5,175,605,694.08
4. Step 4: Simplify right side
   9,404,693,805.45x = 67,171,492,763,057,446,912
5. Step 5: Solve for x
   x = 67,171,492,763,057,446,912/9,404,693,805.45
6. Step 6: Final answer
   x = 7,142,337,023.68