Finding the Fourth Proportional to 2,185.62, 3,016.10 and 1,190.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185.62 : 3,016.10 = 1,190.88 : x
2. Step 2: Convert to fraction form
   2,185.62/3,016.10 = 1,190.88/x
3. Step 3: Cross multiply
   2,185.62x = 3,016.10 × 1,190.88
4. Step 4: Simplify right side
   2,185.62x = 3,591,813.17
5. Step 5: Solve for x
   x = 3,591,813.17/2,185.62
6. Step 6: Final answer
   x = 1,643.38