Finding the Fourth Proportional to 8,861,169,145.82, 13,291,776,231.15 and 3,620,777,362.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,861,169,145.82 : 13,291,776,231.15 = 3,620,777,362.56 : x
2. Step 2: Convert to fraction form
   8,861,169,145.82/13,291,776,231.15 = 3,620,777,362.56/x
3. Step 3: Cross multiply
   8,861,169,145.82x = 13,291,776,231.15 × 3,620,777,362.56
4. Step 4: Simplify right side
   8,861,169,145.82x = 48,126,562,485,960,990,720
5. Step 5: Solve for x
   x = 48,126,562,485,960,990,720/8,861,169,145.82
6. Step 6: Final answer
   x = 5,431,175,242.68