Finding the Fourth Proportional to 2,222.80, 3,067.74 and 1,436.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.80 : 3,067.74 = 1,436.28 : x
2. Step 2: Convert to fraction form
   2,222.80/3,067.74 = 1,436.28/x
3. Step 3: Cross multiply
   2,222.80x = 3,067.74 × 1,436.28
4. Step 4: Simplify right side
   2,222.80x = 4,406,133.61
5. Step 5: Solve for x
   x = 4,406,133.61/2,222.80
6. Step 6: Final answer
   x = 1,982.24