Finding the Fourth Proportional to 2,105.65, 3,155.25 and 1,062.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105.65 : 3,155.25 = 1,062.75 : x
2. Step 2: Convert to fraction form
   2,105.65/3,155.25 = 1,062.75/x
3. Step 3: Cross multiply
   2,105.65x = 3,155.25 × 1,062.75
4. Step 4: Simplify right side
   2,105.65x = 3,353,226.16
5. Step 5: Solve for x
   x = 3,353,226.16/2,105.65
6. Step 6: Final answer
   x = 1,592.49