Finding the Fourth Proportional to 1,066.38, 1,598.94 and 676.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,066.38 : 1,598.94 = 676.98 : x
2. Step 2: Convert to fraction form
   1,066.38/1,598.94 = 676.98/x
3. Step 3: Cross multiply
   1,066.38x = 1,598.94 × 676.98
4. Step 4: Simplify right side
   1,066.38x = 1,082,450.40
5. Step 5: Solve for x
   x = 1,082,450.40/1,066.38
6. Step 6: Final answer
   x = 1,015.07