Finding the Fourth Proportional to 1,868.93, 2,578.82 and 1,082.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,868.93 : 2,578.82 = 1,082.82 : x
2. Step 2: Convert to fraction form
   1,868.93/2,578.82 = 1,082.82/x
3. Step 3: Cross multiply
   1,868.93x = 2,578.82 × 1,082.82
4. Step 4: Simplify right side
   1,868.93x = 2,792,392.46
5. Step 5: Solve for x
   x = 2,792,392.46/1,868.93
6. Step 6: Final answer
   x = 1,494.12