Finding the Fourth Proportional to 2,738.43, 3,770.37 and 2,488.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,738.43 : 3,770.37 = 2,488.99 : x
2. Step 2: Convert to fraction form
   2,738.43/3,770.37 = 2,488.99/x
3. Step 3: Cross multiply
   2,738.43x = 3,770.37 × 2,488.99
4. Step 4: Simplify right side
   2,738.43x = 9,384,413.23
5. Step 5: Solve for x
   x = 9,384,413.23/2,738.43
6. Step 6: Final answer
   x = 3,426.93