Finding the Fourth Proportional to 2,185.58, 3,016.09 and 1,190.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185.58 : 3,016.09 = 1,190.84 : x
2. Step 2: Convert to fraction form
   2,185.58/3,016.09 = 1,190.84/x
3. Step 3: Cross multiply
   2,185.58x = 3,016.09 × 1,190.84
4. Step 4: Simplify right side
   2,185.58x = 3,591,680.62
5. Step 5: Solve for x
   x = 3,591,680.62/2,185.58
6. Step 6: Final answer
   x = 1,643.35