Finding the Fourth Proportional to 1,155.47, 1,594.35 and 683.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,155.47 : 1,594.35 = 683.24 : x
2. Step 2: Convert to fraction form
   1,155.47/1,594.35 = 683.24/x
3. Step 3: Cross multiply
   1,155.47x = 1,594.35 × 683.24
4. Step 4: Simplify right side
   1,155.47x = 1,089,315.72
5. Step 5: Solve for x
   x = 1,089,315.72/1,155.47
6. Step 6: Final answer
   x = 942.75