Finding the Fourth Proportional to 1,136.89, 1,568.59 and 671.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,136.89 : 1,568.59 = 671.14 : x
2. Step 2: Convert to fraction form
   1,136.89/1,568.59 = 671.14/x
3. Step 3: Cross multiply
   1,136.89x = 1,568.59 × 671.14
4. Step 4: Simplify right side
   1,136.89x = 1,052,743.49
5. Step 5: Solve for x
   x = 1,052,743.49/1,136.89
6. Step 6: Final answer
   x = 925.99