Finding the Fourth Proportional to 2,236.53, 3,086.42 and 1,241.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,236.53 : 3,086.42 = 1,241.91 : x
2. Step 2: Convert to fraction form
   2,236.53/3,086.42 = 1,241.91/x
3. Step 3: Cross multiply
   2,236.53x = 3,086.42 × 1,241.91
4. Step 4: Simplify right side
   2,236.53x = 3,833,049.65
5. Step 5: Solve for x
   x = 3,833,049.65/2,236.53
6. Step 6: Final answer
   x = 1,713.83