Finding the Fourth Proportional to 2,436,152,067.72, 3,361,802,868.99 and 1,378,857,339.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,436,152,067.72 : 3,361,802,868.99 = 1,378,857,339.59 : x
2. Step 2: Convert to fraction form
   2,436,152,067.72/3,361,802,868.99 = 1,378,857,339.59/x
3. Step 3: Cross multiply
   2,436,152,067.72x = 3,361,802,868.99 × 1,378,857,339.59
4. Step 4: Simplify right side
   2,436,152,067.72x = 4,635,446,560,144,771,072
5. Step 5: Solve for x
   x = 4,635,446,560,144,771,072/2,436,152,067.72
6. Step 6: Final answer
   x = 1,902,773,895.59