Finding the Fourth Proportional to 2,555,499,906.05, 3,825,394,884.29 and 2,178,501,852.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,555,499,906.05 : 3,825,394,884.29 = 2,178,501,852.59 : x
2. Step 2: Convert to fraction form
   2,555,499,906.05/3,825,394,884.29 = 2,178,501,852.59/x
3. Step 3: Cross multiply
   2,555,499,906.05x = 3,825,394,884.29 × 2,178,501,852.59
4. Step 4: Simplify right side
   2,555,499,906.05x = 8,333,629,842,284,054,528
5. Step 5: Solve for x
   x = 8,333,629,842,284,054,528/2,555,499,906.05
6. Step 6: Final answer
   x = 3,261,056,602.89