Finding the Fourth Proportional to 1,082.63, 1,494.03 and 610.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,082.63 : 1,494.03 = 610.53 : x
2. Step 2: Convert to fraction form
   1,082.63/1,494.03 = 610.53/x
3. Step 3: Cross multiply
   1,082.63x = 1,494.03 × 610.53
4. Step 4: Simplify right side
   1,082.63x = 912,150.14
5. Step 5: Solve for x
   x = 912,150.14/1,082.63
6. Step 6: Final answer
   x = 842.53