Finding the Fourth Proportional to 2,218,922,288.30, 3,062,114,408.71 and 1,201,655,611.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,218,922,288.30 : 3,062,114,408.71 = 1,201,655,611.33 : x
2. Step 2: Convert to fraction form
   2,218,922,288.30/3,062,114,408.71 = 1,201,655,611.33/x
3. Step 3: Cross multiply
   2,218,922,288.30x = 3,062,114,408.71 × 1,201,655,611.33
4. Step 4: Simplify right side
   2,218,922,288.30x = 3,679,606,961,760,816,128
5. Step 5: Solve for x
   x = 3,679,606,961,760,816,128/2,218,922,288.30
6. Step 6: Final answer
   x = 1,658,285,637.66