Finding the Fourth Proportional to 1,180.68, 1,629.25 and 683.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,180.68 : 1,629.25 = 683.39 : x
2. Step 2: Convert to fraction form
   1,180.68/1,629.25 = 683.39/x
3. Step 3: Cross multiply
   1,180.68x = 1,629.25 × 683.39
4. Step 4: Simplify right side
   1,180.68x = 1,113,404.92
5. Step 5: Solve for x
   x = 1,113,404.92/1,180.68
6. Step 6: Final answer
   x = 943.02