Finding the Fourth Proportional to 1,155.52, 1,594.59 and 683.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,155.52 : 1,594.59 = 683.41 : x
2. Step 2: Convert to fraction form
   1,155.52/1,594.59 = 683.41/x
3. Step 3: Cross multiply
   1,155.52x = 1,594.59 × 683.41
4. Step 4: Simplify right side
   1,155.52x = 1,089,758.75
5. Step 5: Solve for x
   x = 1,089,758.75/1,155.52
6. Step 6: Final answer
   x = 943.09