Finding the Fourth Proportional to 2,259.83, 3,119.72 and 1,724.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,259.83 : 3,119.72 = 1,724.33 : x
2. Step 2: Convert to fraction form
   2,259.83/3,119.72 = 1,724.33/x
3. Step 3: Cross multiply
   2,259.83x = 3,119.72 × 1,724.33
4. Step 4: Simplify right side
   2,259.83x = 5,379,402.57
5. Step 5: Solve for x
   x = 5,379,402.57/2,259.83
6. Step 6: Final answer
   x = 2,380.45