Finding the Fourth Proportional to 2,183.56, 3,013.31 and 1,188.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,183.56 : 3,013.31 = 1,188.84 : x
2. Step 2: Convert to fraction form
   2,183.56/3,013.31 = 1,188.84/x
3. Step 3: Cross multiply
   2,183.56x = 3,013.31 × 1,188.84
4. Step 4: Simplify right side
   2,183.56x = 3,582,346.69
5. Step 5: Solve for x
   x = 3,582,346.69/2,183.56
6. Step 6: Final answer
   x = 1,640.60