Finding the Fourth Proportional to 199,269,018.18, 274,990,481.55 and 111,162,945.69

Step by Step Solution

1. Step 1: Write the proportion equation
   199,269,018.18 : 274,990,481.55 = 111,162,945.69 : x
2. Step 2: Convert to fraction form
   199,269,018.18/274,990,481.55 = 111,162,945.69/x
3. Step 3: Cross multiply
   199,269,018.18x = 274,990,481.55 × 111,162,945.69
4. Step 4: Simplify right side
   199,269,018.18x = 30,568,751,965,809,596
5. Step 5: Solve for x
   x = 30,568,751,965,809,596/199,269,018.18
6. Step 6: Final answer
   x = 153,404,439.11