Finding the Fourth Proportional to 1,136.22, 1,567.94 and 694.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,136.22 : 1,567.94 = 694.02 : x
2. Step 2: Convert to fraction form
   1,136.22/1,567.94 = 694.02/x
3. Step 3: Cross multiply
   1,136.22x = 1,567.94 × 694.02
4. Step 4: Simplify right side
   1,136.22x = 1,088,181.72
5. Step 5: Solve for x
   x = 1,088,181.72/1,136.22
6. Step 6: Final answer
   x = 957.72