Finding the Fourth Proportional to 1,114.44, 1,667.58 and 674.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,114.44 : 1,667.58 = 674.12 : x
2. Step 2: Convert to fraction form
   1,114.44/1,667.58 = 674.12/x
3. Step 3: Cross multiply
   1,114.44x = 1,667.58 × 674.12
4. Step 4: Simplify right side
   1,114.44x = 1,124,149.03
5. Step 5: Solve for x
   x = 1,124,149.03/1,114.44
6. Step 6: Final answer
   x = 1,008.71