Finding the Fourth Proportional to 1,224,795,774,419.40, 1,690,212,275,563.50 and 676,082,279,616.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,224,795,774,419.40 : 1,690,212,275,563.50 = 676,082,279,616.05 : x
2. Step 2: Convert to fraction form
   1,224,795,774,419.40/1,690,212,275,563.50 = 676,082,279,616.05/x
3. Step 3: Cross multiply
   1,224,795,774,419.40x = 1,690,212,275,563.50 × 676,082,279,616.05
4. Step 4: Simplify right side
   1,224,795,774,419.40x = 1,142,722,568,298,002,443,665,408
5. Step 5: Solve for x
   x = 1,142,722,568,298,002,443,665,408/1,224,795,774,419.40
6. Step 6: Final answer
   x = 932,990,292,883.48