Finding the Fourth Proportional to 1,826,998,493.33, 2,521,259,786.75 and 991,623,236.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,826,998,493.33 : 2,521,259,786.75 = 991,623,236.15 : x
2. Step 2: Convert to fraction form
   1,826,998,493.33/2,521,259,786.75 = 991,623,236.15/x
3. Step 3: Cross multiply
   1,826,998,493.33x = 2,521,259,786.75 × 991,623,236.15
4. Step 4: Simplify right side
   1,826,998,493.33x = 2,500,139,788,914,373,120
5. Step 5: Solve for x
   x = 2,500,139,788,914,373,120/1,826,998,493.33
6. Step 6: Final answer
   x = 1,368,441,078.66