Finding the Fourth Proportional to 2,216.67, 3,320.69 and 1,727.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,216.67 : 3,320.69 = 1,727.43 : x
2. Step 2: Convert to fraction form
   2,216.67/3,320.69 = 1,727.43/x
3. Step 3: Cross multiply
   2,216.67x = 3,320.69 × 1,727.43
4. Step 4: Simplify right side
   2,216.67x = 5,736,250.89
5. Step 5: Solve for x
   x = 5,736,250.89/2,216.67
6. Step 6: Final answer
   x = 2,587.78