Finding the Fourth Proportional to 1,724.56, 2,583.25 and 1,431.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,724.56 : 2,583.25 = 1,431.37 : x
2. Step 2: Convert to fraction form
   1,724.56/2,583.25 = 1,431.37/x
3. Step 3: Cross multiply
   1,724.56x = 2,583.25 × 1,431.37
4. Step 4: Simplify right side
   1,724.56x = 3,697,586.55
5. Step 5: Solve for x
   x = 3,697,586.55/1,724.56
6. Step 6: Final answer
   x = 2,144.08