Finding the Fourth Proportional to 2,275.27, 3,413.72 and 1,180.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,275.27 : 3,413.72 = 1,180.38 : x
2. Step 2: Convert to fraction form
   2,275.27/3,413.72 = 1,180.38/x
3. Step 3: Cross multiply
   2,275.27x = 3,413.72 × 1,180.38
4. Step 4: Simplify right side
   2,275.27x = 4,029,486.81
5. Step 5: Solve for x
   x = 4,029,486.81/2,275.27
6. Step 6: Final answer
   x = 1,770.99