Finding the Fourth Proportional to 2,185.60, 3,279.21 and 1,016.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185.60 : 3,279.21 = 1,016.18 : x
2. Step 2: Convert to fraction form
   2,185.60/3,279.21 = 1,016.18/x
3. Step 3: Cross multiply
   2,185.60x = 3,279.21 × 1,016.18
4. Step 4: Simplify right side
   2,185.60x = 3,332,267.62
5. Step 5: Solve for x
   x = 3,332,267.62/2,185.60
6. Step 6: Final answer
   x = 1,524.65