Finding the Fourth Proportional to 1,180.82, 1,629.56 and 683.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,180.82 : 1,629.56 = 683.63 : x
2. Step 2: Convert to fraction form
   1,180.82/1,629.56 = 683.63/x
3. Step 3: Cross multiply
   1,180.82x = 1,629.56 × 683.63
4. Step 4: Simplify right side
   1,180.82x = 1,114,016.10
5. Step 5: Solve for x
   x = 1,114,016.10/1,180.82
6. Step 6: Final answer
   x = 943.43