Finding the Fourth Proportional to 9,404,693,849.60, 12,978,479,630.94 and 5,175,605,738.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,404,693,849.60 : 12,978,479,630.94 = 5,175,605,738.24 : x
2. Step 2: Convert to fraction form
   9,404,693,849.60/12,978,479,630.94 = 5,175,605,738.24/x
3. Step 3: Cross multiply
   9,404,693,849.60x = 12,978,479,630.94 × 5,175,605,738.24
4. Step 4: Simplify right side
   9,404,693,849.60x = 67,171,493,651,524,018,176
5. Step 5: Solve for x
   x = 67,171,493,651,524,018,176/9,404,693,849.60
6. Step 6: Final answer
   x = 7,142,337,084.62