Finding the Fourth Proportional to 1,988.35, 2,743.79 and 1,104.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,988.35 : 2,743.79 = 1,104.10 : x
2. Step 2: Convert to fraction form
   1,988.35/2,743.79 = 1,104.10/x
3. Step 3: Cross multiply
   1,988.35x = 2,743.79 × 1,104.10
4. Step 4: Simplify right side
   1,988.35x = 3,029,413.02
5. Step 5: Solve for x
   x = 3,029,413.02/1,988.35
6. Step 6: Final answer
   x = 1,523.58