Finding the Fourth Proportional to 2,185.89, 3,277.62 and 724.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185.89 : 3,277.62 = 724.25 : x
2. Step 2: Convert to fraction form
   2,185.89/3,277.62 = 724.25/x
3. Step 3: Cross multiply
   2,185.89x = 3,277.62 × 724.25
4. Step 4: Simplify right side
   2,185.89x = 2,373,816.29
5. Step 5: Solve for x
   x = 2,373,816.29/2,185.89
6. Step 6: Final answer
   x = 1,085.97