Finding the Fourth Proportional to 2,185.36, 3,015.96 and 1,241.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185.36 : 3,015.96 = 1,241.30 : x
2. Step 2: Convert to fraction form
   2,185.36/3,015.96 = 1,241.30/x
3. Step 3: Cross multiply
   2,185.36x = 3,015.96 × 1,241.30
4. Step 4: Simplify right side
   2,185.36x = 3,743,711.15
5. Step 5: Solve for x
   x = 3,743,711.15/2,185.36
6. Step 6: Final answer
   x = 1,713.09