Finding the Fourth Proportional to 81,067, 111,870.28 and 45,256

Step by Step Solution

1. Step 1: Write the proportion equation
   81,067 : 111,870.28 = 45,256 : x
2. Step 2: Convert to fraction form
   81,067/111,870.28 = 45,256/x
3. Step 3: Cross multiply
   81,067x = 111,870.28 × 45,256
4. Step 4: Simplify right side
   81,067x = 5,062,801,391.68
5. Step 5: Solve for x
   x = 5,062,801,391.68/81,067
6. Step 6: Final answer
   x = 62,452.06