Finding the Fourth Proportional to 2,968.55, 4,453.86 and 1,120.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,968.55 : 4,453.86 = 1,120.20 : x
2. Step 2: Convert to fraction form
   2,968.55/4,453.86 = 1,120.20/x
3. Step 3: Cross multiply
   2,968.55x = 4,453.86 × 1,120.20
4. Step 4: Simplify right side
   2,968.55x = 4,989,208.37
5. Step 5: Solve for x
   x = 4,989,208.37/2,968.55
6. Step 6: Final answer
   x = 1,680.69