Finding the Fourth Proportional to 1,727.25, 2,591.15 and 573.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,727.25 : 2,591.15 = 573.27 : x
2. Step 2: Convert to fraction form
   1,727.25/2,591.15 = 573.27/x
3. Step 3: Cross multiply
   1,727.25x = 2,591.15 × 573.27
4. Step 4: Simplify right side
   1,727.25x = 1,485,428.56
5. Step 5: Solve for x
   x = 1,485,428.56/1,727.25
6. Step 6: Final answer
   x = 860.00