Finding the Fourth Proportional to 2,182.88, 3,271.98 and 1,085.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,182.88 : 3,271.98 = 1,085.08 : x
2. Step 2: Convert to fraction form
   2,182.88/3,271.98 = 1,085.08/x
3. Step 3: Cross multiply
   2,182.88x = 3,271.98 × 1,085.08
4. Step 4: Simplify right side
   2,182.88x = 3,550,360.06
5. Step 5: Solve for x
   x = 3,550,360.06/2,182.88
6. Step 6: Final answer
   x = 1,626.46