Finding the Fourth Proportional to 1,082.03, 1,493.24 and 616.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,082.03 : 1,493.24 = 616.31 : x
2. Step 2: Convert to fraction form
   1,082.03/1,493.24 = 616.31/x
3. Step 3: Cross multiply
   1,082.03x = 1,493.24 × 616.31
4. Step 4: Simplify right side
   1,082.03x = 920,298.74
5. Step 5: Solve for x
   x = 920,298.74/1,082.03
6. Step 6: Final answer
   x = 850.53