Finding the Fourth Proportional to 2,183.96, 3,271.69 and 1,089.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,183.96 : 3,271.69 = 1,089.25 : x
2. Step 2: Convert to fraction form
   2,183.96/3,271.69 = 1,089.25/x
3. Step 3: Cross multiply
   2,183.96x = 3,271.69 × 1,089.25
4. Step 4: Simplify right side
   2,183.96x = 3,563,681.51
5. Step 5: Solve for x
   x = 3,563,681.51/2,183.96
6. Step 6: Final answer
   x = 1,631.75