Finding the Fourth Proportional to 2,969.25, 4,453.20 and 1,120.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,969.25 : 4,453.20 = 1,120.56 : x
2. Step 2: Convert to fraction form
   2,969.25/4,453.20 = 1,120.56/x
3. Step 3: Cross multiply
   2,969.25x = 4,453.20 × 1,120.56
4. Step 4: Simplify right side
   2,969.25x = 4,990,077.79
5. Step 5: Solve for x
   x = 4,990,077.79/2,969.25
6. Step 6: Final answer
   x = 1,680.59