Finding the Fourth Proportional to 3,724.56, 5,586.72 and 1,722.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,724.56 : 5,586.72 = 1,722.98 : x
2. Step 2: Convert to fraction form
   3,724.56/5,586.72 = 1,722.98/x
3. Step 3: Cross multiply
   3,724.56x = 5,586.72 × 1,722.98
4. Step 4: Simplify right side
   3,724.56x = 9,625,778.89
5. Step 5: Solve for x
   x = 9,625,778.89/3,724.56
6. Step 6: Final answer
   x = 2,584.41