Finding the Fourth Proportional to 1,608.54, 2,413.16 and 1,247.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,608.54 : 2,413.16 = 1,247.82 : x
2. Step 2: Convert to fraction form
   1,608.54/2,413.16 = 1,247.82/x
3. Step 3: Cross multiply
   1,608.54x = 2,413.16 × 1,247.82
4. Step 4: Simplify right side
   1,608.54x = 3,011,189.31
5. Step 5: Solve for x
   x = 3,011,189.31/1,608.54
6. Step 6: Final answer
   x = 1,872.00