Finding the Fourth Proportional to 1,747.88, 2,413.80 and 1,085.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,747.88 : 2,413.80 = 1,085.00 : x
2. Step 2: Convert to fraction form
   1,747.88/2,413.80 = 1,085.00/x
3. Step 3: Cross multiply
   1,747.88x = 2,413.80 × 1,085.00
4. Step 4: Simplify right side
   1,747.88x = 2,618,960.93
5. Step 5: Solve for x
   x = 2,618,960.93/1,747.88
6. Step 6: Final answer
   x = 1,498.37