Finding the Fourth Proportional to 1,748.89, 2,413.14 and 1,085.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,748.89 : 2,413.14 = 1,085.91 : x
2. Step 2: Convert to fraction form
   1,748.89/2,413.14 = 1,085.91/x
3. Step 3: Cross multiply
   1,748.89x = 2,413.14 × 1,085.91
4. Step 4: Simplify right side
   1,748.89x = 2,620,445.84
5. Step 5: Solve for x
   x = 2,620,445.84/1,748.89
6. Step 6: Final answer
   x = 1,498.35