Finding the Fourth Proportional to 2,185.60, 3,014.04 and 1,687.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185.60 : 3,014.04 = 1,687.42 : x
2. Step 2: Convert to fraction form
   2,185.60/3,014.04 = 1,687.42/x
3. Step 3: Cross multiply
   2,185.60x = 3,014.04 × 1,687.42
4. Step 4: Simplify right side
   2,185.60x = 5,085,951.38
5. Step 5: Solve for x
   x = 5,085,951.38/2,185.60
6. Step 6: Final answer
   x = 2,327.03