Finding the Fourth Proportional to 2,646,608,634.63, 3,970,505,016.59 and 806,505,325.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,646,608,634.63 : 3,970,505,016.59 = 806,505,325.83 : x
2. Step 2: Convert to fraction form
   2,646,608,634.63/3,970,505,016.59 = 806,505,325.83/x
3. Step 3: Cross multiply
   2,646,608,634.63x = 3,970,505,016.59 × 806,505,325.83
4. Step 4: Simplify right side
   2,646,608,634.63x = 3,202,233,442,110,535,168
5. Step 5: Solve for x
   x = 3,202,233,442,110,535,168/2,646,608,634.63
6. Step 6: Final answer
   x = 1,209,938,409.56