Finding the Fourth Proportional to 9,308,729,690.68, 12,846,319,513.80 and 5,079,914,150.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,308,729,690.68 : 12,846,319,513.80 = 5,079,914,150.42 : x
2. Step 2: Convert to fraction form
   9,308,729,690.68/12,846,319,513.80 = 5,079,914,150.42/x
3. Step 3: Cross multiply
   9,308,729,690.68x = 12,846,319,513.80 × 5,079,914,150.42
4. Step 4: Simplify right side
   9,308,729,690.68x = 65,258,200,278,969,188,352
5. Step 5: Solve for x
   x = 65,258,200,278,969,188,352/9,308,729,690.68
6. Step 6: Final answer
   x = 7,010,430,257.13