Finding the Fourth Proportional to 2,185.68, 3,016.25 and 1,190.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185.68 : 3,016.25 = 1,190.96 : x
2. Step 2: Convert to fraction form
   2,185.68/3,016.25 = 1,190.96/x
3. Step 3: Cross multiply
   2,185.68x = 3,016.25 × 1,190.96
4. Step 4: Simplify right side
   2,185.68x = 3,592,225.56
5. Step 5: Solve for x
   x = 3,592,225.56/2,185.68
6. Step 6: Final answer
   x = 1,643.53