Finding the Fourth Proportional to 1,362.15, 1,880.19 and 1,082.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,362.15 : 1,880.19 = 1,082.88 : x
2. Step 2: Convert to fraction form
   1,362.15/1,880.19 = 1,082.88/x
3. Step 3: Cross multiply
   1,362.15x = 1,880.19 × 1,082.88
4. Step 4: Simplify right side
   1,362.15x = 2,036,020.15
5. Step 5: Solve for x
   x = 2,036,020.15/1,362.15
6. Step 6: Final answer
   x = 1,494.71