Finding the Fourth Proportional to 2,261.50, 3,379.29 and 1,724.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,261.50 : 3,379.29 = 1,724.25 : x
2. Step 2: Convert to fraction form
   2,261.50/3,379.29 = 1,724.25/x
3. Step 3: Cross multiply
   2,261.50x = 3,379.29 × 1,724.25
4. Step 4: Simplify right side
   2,261.50x = 5,826,740.78
5. Step 5: Solve for x
   x = 5,826,740.78/2,261.50
6. Step 6: Final answer
   x = 2,576.49