Finding the Fourth Proportional to 2,745.55, 4,120.67 and 1,103.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,745.55 : 4,120.67 = 1,103.22 : x
2. Step 2: Convert to fraction form
   2,745.55/4,120.67 = 1,103.22/x
3. Step 3: Cross multiply
   2,745.55x = 4,120.67 × 1,103.22
4. Step 4: Simplify right side
   2,745.55x = 4,546,008.32
5. Step 5: Solve for x
   x = 4,546,008.32/2,745.55
6. Step 6: Final answer
   x = 1,655.78