Finding the Fourth Proportional to 2,236.44, 3,085.83 and 1,291.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,236.44 : 3,085.83 = 1,291.89 : x
2. Step 2: Convert to fraction form
   2,236.44/3,085.83 = 1,291.89/x
3. Step 3: Cross multiply
   2,236.44x = 3,085.83 × 1,291.89
4. Step 4: Simplify right side
   2,236.44x = 3,986,552.92
5. Step 5: Solve for x
   x = 3,986,552.92/2,236.44
6. Step 6: Final answer
   x = 1,782.54