Finding the Fourth Proportional to 2,183.52, 3,012.72 and 1,485.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,183.52 : 3,012.72 = 1,485.60 : x
2. Step 2: Convert to fraction form
   2,183.52/3,012.72 = 1,485.60/x
3. Step 3: Cross multiply
   2,183.52x = 3,012.72 × 1,485.60
4. Step 4: Simplify right side
   2,183.52x = 4,475,696.83
5. Step 5: Solve for x
   x = 4,475,696.83/2,183.52
6. Step 6: Final answer
   x = 2,049.76