Finding the Fourth Proportional to 2,235.97, 3,085.92 and 1,291.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,235.97 : 3,085.92 = 1,291.83 : x
2. Step 2: Convert to fraction form
   2,235.97/3,085.92 = 1,291.83/x
3. Step 3: Cross multiply
   2,235.97x = 3,085.92 × 1,291.83
4. Step 4: Simplify right side
   2,235.97x = 3,986,484.03
5. Step 5: Solve for x
   x = 3,986,484.03/2,235.97
6. Step 6: Final answer
   x = 1,782.89