Finding the Fourth Proportional to 2,185.75, 3,016.34 and 1,254.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185.75 : 3,016.34 = 1,254.55 : x
2. Step 2: Convert to fraction form
   2,185.75/3,016.34 = 1,254.55/x
3. Step 3: Cross multiply
   2,185.75x = 3,016.34 × 1,254.55
4. Step 4: Simplify right side
   2,185.75x = 3,784,149.35
5. Step 5: Solve for x
   x = 3,784,149.35/2,185.75
6. Step 6: Final answer
   x = 1,731.28