Finding the Fourth Proportional to 30,546,524,174.82, 42,157,873,097.56 and 18,503,181,618.18

Step by Step Solution

1. Step 1: Write the proportion equation
   30,546,524,174.82 : 42,157,873,097.56 = 18,503,181,618.18 : x
2. Step 2: Convert to fraction form
   30,546,524,174.82/42,157,873,097.56 = 18,503,181,618.18/x
3. Step 3: Cross multiply
   30,546,524,174.82x = 42,157,873,097.56 × 18,503,181,618.18
4. Step 4: Simplify right side
   30,546,524,174.82x = 780,054,782,560,337,264,640
5. Step 5: Solve for x
   x = 780,054,782,560,337,264,640/30,546,524,174.82
6. Step 6: Final answer
   x = 25,536,613,530.76