Finding the Fourth Proportional to 2,951,673,233.62, 4,427,518,255.65 and 853,320,462.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,951,673,233.62 : 4,427,518,255.65 = 853,320,462.15 : x
2. Step 2: Convert to fraction form
   2,951,673,233.62/4,427,518,255.65 = 853,320,462.15/x
3. Step 3: Cross multiply
   2,951,673,233.62x = 4,427,518,255.65 × 853,320,462.15
4. Step 4: Simplify right side
   2,951,673,233.62x = 3,778,091,924,087,198,208
5. Step 5: Solve for x
   x = 3,778,091,924,087,198,208/2,951,673,233.62
6. Step 6: Final answer
   x = 1,279,983,123.15