Finding the Fourth Proportional to 2,065.12, 2,849.76 and 1,180.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,065.12 : 2,849.76 = 1,180.96 : x
2. Step 2: Convert to fraction form
   2,065.12/2,849.76 = 1,180.96/x
3. Step 3: Cross multiply
   2,065.12x = 2,849.76 × 1,180.96
4. Step 4: Simplify right side
   2,065.12x = 3,365,452.57
5. Step 5: Solve for x
   x = 3,365,452.57/2,065.12
6. Step 6: Final answer
   x = 1,629.66