Finding the Fourth Proportional to 2,021,876,461.89, 2,790,135,994.83 and 1,129,810,518.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,021,876,461.89 : 2,790,135,994.83 = 1,129,810,518.72 : x
2. Step 2: Convert to fraction form
   2,021,876,461.89/2,790,135,994.83 = 1,129,810,518.72/x
3. Step 3: Cross multiply
   2,021,876,461.89x = 2,790,135,994.83 × 1,129,810,518.72
4. Step 4: Simplify right side
   2,021,876,461.89x = 3,152,324,995,618,225,664
5. Step 5: Solve for x
   x = 3,152,324,995,618,225,664/2,021,876,461.89
6. Step 6: Final answer
   x = 1,559,108,607.79