Finding the Fourth Proportional to 1,826,998,494.83, 2,521,259,788.83 and 991,623,237.65

Step by Step Solution

1. Step 1: Write the proportion equation
   1,826,998,494.83 : 2,521,259,788.83 = 991,623,237.65 : x
2. Step 2: Convert to fraction form
   1,826,998,494.83/2,521,259,788.83 = 991,623,237.65/x
3. Step 3: Cross multiply
   1,826,998,494.83x = 2,521,259,788.83 × 991,623,237.65
4. Step 4: Simplify right side
   1,826,998,494.83x = 2,500,139,794,756,359,680
5. Step 5: Solve for x
   x = 2,500,139,794,756,359,680/1,826,998,494.83
6. Step 6: Final answer
   x = 1,368,441,080.73