Finding the Fourth Proportional to 2,185.96, 3,281.18 and 1,704.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185.96 : 3,281.18 = 1,704.28 : x
2. Step 2: Convert to fraction form
   2,185.96/3,281.18 = 1,704.28/x
3. Step 3: Cross multiply
   2,185.96x = 3,281.18 × 1,704.28
4. Step 4: Simplify right side
   2,185.96x = 5,592,049.45
5. Step 5: Solve for x
   x = 5,592,049.45/2,185.96
6. Step 6: Final answer
   x = 2,558.17