Finding the Fourth Proportional to 2,185.11, 3,012.53 and 1,485.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185.11 : 3,012.53 = 1,485.27 : x
2. Step 2: Convert to fraction form
   2,185.11/3,012.53 = 1,485.27/x
3. Step 3: Cross multiply
   2,185.11x = 3,012.53 × 1,485.27
4. Step 4: Simplify right side
   2,185.11x = 4,474,413.01
5. Step 5: Solve for x
   x = 4,474,413.01/2,185.11
6. Step 6: Final answer
   x = 2,047.68