Finding the Fourth Proportional to 2,255.23, 3,109.23 and 1,724.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,255.23 : 3,109.23 = 1,724.44 : x
2. Step 2: Convert to fraction form
   2,255.23/3,109.23 = 1,724.44/x
3. Step 3: Cross multiply
   2,255.23x = 3,109.23 × 1,724.44
4. Step 4: Simplify right side
   2,255.23x = 5,361,680.58
5. Step 5: Solve for x
   x = 5,361,680.58/2,255.23
6. Step 6: Final answer
   x = 2,377.44