Finding the Fourth Proportional to 2,183.93, 3,014.15 and 1,287.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,183.93 : 3,014.15 = 1,287.83 : x
2. Step 2: Convert to fraction form
   2,183.93/3,014.15 = 1,287.83/x
3. Step 3: Cross multiply
   2,183.93x = 3,014.15 × 1,287.83
4. Step 4: Simplify right side
   2,183.93x = 3,881,713.89
5. Step 5: Solve for x
   x = 3,881,713.89/2,183.93
6. Step 6: Final answer
   x = 1,777.40