Finding the Fourth Proportional to 1,082.66, 1,493.42 and 683.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,082.66 : 1,493.42 = 683.62 : x
2. Step 2: Convert to fraction form
   1,082.66/1,493.42 = 683.62/x
3. Step 3: Cross multiply
   1,082.66x = 1,493.42 × 683.62
4. Step 4: Simplify right side
   1,082.66x = 1,020,931.78
5. Step 5: Solve for x
   x = 1,020,931.78/1,082.66
6. Step 6: Final answer
   x = 942.98