Finding the Fourth Proportional to 1,082.76, 1,494.20 and 663.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,082.76 : 1,494.20 = 663.04 : x
2. Step 2: Convert to fraction form
   1,082.76/1,494.20 = 663.04/x
3. Step 3: Cross multiply
   1,082.76x = 1,494.20 × 663.04
4. Step 4: Simplify right side
   1,082.76x = 990,714.37
5. Step 5: Solve for x
   x = 990,714.37/1,082.76
6. Step 6: Final answer
   x = 914.99