Finding the Fourth Proportional to 2,236.10, 3,085.78 and 1,241.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,236.10 : 3,085.78 = 1,241.36 : x
2. Step 2: Convert to fraction form
   2,236.10/3,085.78 = 1,241.36/x
3. Step 3: Cross multiply
   2,236.10x = 3,085.78 × 1,241.36
4. Step 4: Simplify right side
   2,236.10x = 3,830,563.86
5. Step 5: Solve for x
   x = 3,830,563.86/2,236.10
6. Step 6: Final answer
   x = 1,713.06