Finding the Fourth Proportional to 1,748.38, 2,413.89 and 1,085.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,748.38 : 2,413.89 = 1,085.94 : x
2. Step 2: Convert to fraction form
   1,748.38/2,413.89 = 1,085.94/x
3. Step 3: Cross multiply
   1,748.38x = 2,413.89 × 1,085.94
4. Step 4: Simplify right side
   1,748.38x = 2,621,339.71
5. Step 5: Solve for x
   x = 2,621,339.71/1,748.38
6. Step 6: Final answer
   x = 1,499.30