Finding the Fourth Proportional to 1,825.89, 2,519.73 and 997.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,825.89 : 2,519.73 = 997.89 : x
2. Step 2: Convert to fraction form
   1,825.89/2,519.73 = 997.89/x
3. Step 3: Cross multiply
   1,825.89x = 2,519.73 × 997.89
4. Step 4: Simplify right side
   1,825.89x = 2,514,413.37
5. Step 5: Solve for x
   x = 2,514,413.37/1,825.89
6. Step 6: Final answer
   x = 1,377.09