Finding the Fourth Proportional to 80,878, 111,610.12 and 45,067.25

Step by Step Solution

1. Step 1: Write the proportion equation
   80,878 : 111,610.12 = 45,067.25 : x
2. Step 2: Convert to fraction form
   80,878/111,610.12 = 45,067.25/x
3. Step 3: Cross multiply
   80,878x = 111,610.12 × 45,067.25
4. Step 4: Simplify right side
   80,878x = 5,029,961,180.57
5. Step 5: Solve for x
   x = 5,029,961,180.57/80,878
6. Step 6: Final answer
   x = 62,191.96