Finding the Fourth Proportional to 1,082.10, 1,493.02 and 727.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,082.10 : 1,493.02 = 727.39 : x
2. Step 2: Convert to fraction form
   1,082.10/1,493.02 = 727.39/x
3. Step 3: Cross multiply
   1,082.10x = 1,493.02 × 727.39
4. Step 4: Simplify right side
   1,082.10x = 1,086,007.82
5. Step 5: Solve for x
   x = 1,086,007.82/1,082.10
6. Step 6: Final answer
   x = 1,003.61