Finding the Fourth Proportional to 2,355.35, 3,244.25 and 2,180.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,355.35 : 3,244.25 = 2,180.18 : x
2. Step 2: Convert to fraction form
   2,355.35/3,244.25 = 2,180.18/x
3. Step 3: Cross multiply
   2,355.35x = 3,244.25 × 2,180.18
4. Step 4: Simplify right side
   2,355.35x = 7,073,062.53
5. Step 5: Solve for x
   x = 7,073,062.53/2,355.35
6. Step 6: Final answer
   x = 3,002.98