Finding the Fourth Proportional to 1,082.08, 1,493.22 and 616.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,082.08 : 1,493.22 = 616.24 : x
2. Step 2: Convert to fraction form
   1,082.08/1,493.22 = 616.24/x
3. Step 3: Cross multiply
   1,082.08x = 1,493.22 × 616.24
4. Step 4: Simplify right side
   1,082.08x = 920,181.89
5. Step 5: Solve for x
   x = 920,181.89/1,082.08
6. Step 6: Final answer
   x = 850.38