Finding the Fourth Proportional to 2,519.45, 3,477.33 and 1,724.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,519.45 : 3,477.33 = 1,724.39 : x
2. Step 2: Convert to fraction form
   2,519.45/3,477.33 = 1,724.39/x
3. Step 3: Cross multiply
   2,519.45x = 3,477.33 × 1,724.39
4. Step 4: Simplify right side
   2,519.45x = 5,996,268.73
5. Step 5: Solve for x
   x = 5,996,268.73/2,519.45
6. Step 6: Final answer
   x = 2,379.99