Finding the Fourth Proportional to 1,136.23, 1,568.30 and 804.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,136.23 : 1,568.30 = 804.74 : x
2. Step 2: Convert to fraction form
   1,136.23/1,568.30 = 804.74/x
3. Step 3: Cross multiply
   1,136.23x = 1,568.30 × 804.74
4. Step 4: Simplify right side
   1,136.23x = 1,262,061.88
5. Step 5: Solve for x
   x = 1,262,061.88/1,136.23
6. Step 6: Final answer
   x = 1,110.75