Finding the Fourth Proportional to 2,185.96, 3,017.30 and 1,255.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185.96 : 3,017.30 = 1,255.08 : x
2. Step 2: Convert to fraction form
   2,185.96/3,017.30 = 1,255.08/x
3. Step 3: Cross multiply
   2,185.96x = 3,017.30 × 1,255.08
4. Step 4: Simplify right side
   2,185.96x = 3,786,952.88
5. Step 5: Solve for x
   x = 3,786,952.88/2,185.96
6. Step 6: Final answer
   x = 1,732.40