Finding the Fourth Proportional to 2,155.25, 3,234.50 and 1,727.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155.25 : 3,234.50 = 1,727.57 : x
2. Step 2: Convert to fraction form
   2,155.25/3,234.50 = 1,727.57/x
3. Step 3: Cross multiply
   2,155.25x = 3,234.50 × 1,727.57
4. Step 4: Simplify right side
   2,155.25x = 5,587,800.35
5. Step 5: Solve for x
   x = 5,587,800.35/2,155.25
6. Step 6: Final answer
   x = 2,592.65