Finding the Fourth Proportional to 2,045.56, 3,067.24 and 1,120.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,045.56 : 3,067.24 = 1,120.80 : x
2. Step 2: Convert to fraction form
   2,045.56/3,067.24 = 1,120.80/x
3. Step 3: Cross multiply
   2,045.56x = 3,067.24 × 1,120.80
4. Step 4: Simplify right side
   2,045.56x = 3,437,762.59
5. Step 5: Solve for x
   x = 3,437,762.59/2,045.56
6. Step 6: Final answer
   x = 1,680.60