Finding the Fourth Proportional to 2,235.33, 3,085.23 and 1,291.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,235.33 : 3,085.23 = 1,291.27 : x
2. Step 2: Convert to fraction form
   2,235.33/3,085.23 = 1,291.27/x
3. Step 3: Cross multiply
   2,235.33x = 3,085.23 × 1,291.27
4. Step 4: Simplify right side
   2,235.33x = 3,983,858.49
5. Step 5: Solve for x
   x = 3,983,858.49/2,235.33
6. Step 6: Final answer
   x = 1,782.23