Finding the Fourth Proportional to 2,045.22, 3,067.56 and 1,120.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,045.22 : 3,067.56 = 1,120.56 : x
2. Step 2: Convert to fraction form
   2,045.22/3,067.56 = 1,120.56/x
3. Step 3: Cross multiply
   2,045.22x = 3,067.56 × 1,120.56
4. Step 4: Simplify right side
   2,045.22x = 3,437,385.03
5. Step 5: Solve for x
   x = 3,437,385.03/2,045.22
6. Step 6: Final answer
   x = 1,680.69