Finding the Fourth Proportional to 1,155.33, 1,594.27 and 683.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,155.33 : 1,594.27 = 683.20 : x
2. Step 2: Convert to fraction form
   1,155.33/1,594.27 = 683.20/x
3. Step 3: Cross multiply
   1,155.33x = 1,594.27 × 683.20
4. Step 4: Simplify right side
   1,155.33x = 1,089,205.26
5. Step 5: Solve for x
   x = 1,089,205.26/1,155.33
6. Step 6: Final answer
   x = 942.77