Finding the Fourth Proportional to 9,674,906,971.96, 13,351,785,843.59 and 5,388,120,268.45

Step by Step Solution

1. Step 1: Write the proportion equation
   9,674,906,971.96 : 13,351,785,843.59 = 5,388,120,268.45 : x
2. Step 2: Convert to fraction form
   9,674,906,971.96/13,351,785,843.59 = 5,388,120,268.45/x
3. Step 3: Cross multiply
   9,674,906,971.96x = 13,351,785,843.59 × 5,388,120,268.45
4. Step 4: Simplify right side
   9,674,906,971.96x = 71,941,027,923,851,059,200
5. Step 5: Solve for x
   x = 71,941,027,923,851,059,200/9,674,906,971.96
6. Step 6: Final answer
   x = 7,435,836,657.90