Finding the Fourth Proportional to 2,183.05, 3,012.69 and 1,298.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,183.05 : 3,012.69 = 1,298.94 : x
2. Step 2: Convert to fraction form
   2,183.05/3,012.69 = 1,298.94/x
3. Step 3: Cross multiply
   2,183.05x = 3,012.69 × 1,298.94
4. Step 4: Simplify right side
   2,183.05x = 3,913,303.55
5. Step 5: Solve for x
   x = 3,913,303.55/2,183.05
6. Step 6: Final answer
   x = 1,792.59