Finding the Fourth Proportional to 1,136.62, 1,568.61 and 694.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,136.62 : 1,568.61 = 694.54 : x
2. Step 2: Convert to fraction form
   1,136.62/1,568.61 = 694.54/x
3. Step 3: Cross multiply
   1,136.62x = 1,568.61 × 694.54
4. Step 4: Simplify right side
   1,136.62x = 1,089,462.39
5. Step 5: Solve for x
   x = 1,089,462.39/1,136.62
6. Step 6: Final answer
   x = 958.51