Finding the Fourth Proportional to 2,236.71, 3,086.56 and 1,241.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,236.71 : 3,086.56 = 1,241.91 : x
2. Step 2: Convert to fraction form
   2,236.71/3,086.56 = 1,241.91/x
3. Step 3: Cross multiply
   2,236.71x = 3,086.56 × 1,241.91
4. Step 4: Simplify right side
   2,236.71x = 3,833,231.28
5. Step 5: Solve for x
   x = 3,833,231.28/2,236.71
6. Step 6: Final answer
   x = 1,713.78