Finding the Fourth Proportional to 2,255.35, 3,383.71 and 1,085.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,255.35 : 3,383.71 = 1,085.02 : x
2. Step 2: Convert to fraction form
   2,255.35/3,383.71 = 1,085.02/x
3. Step 3: Cross multiply
   2,255.35x = 3,383.71 × 1,085.02
4. Step 4: Simplify right side
   2,255.35x = 3,671,400.89
5. Step 5: Solve for x
   x = 3,671,400.89/2,255.35
6. Step 6: Final answer
   x = 1,627.86