Finding the Fourth Proportional to 1,180.83, 1,629.54 and 683.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,180.83 : 1,629.54 = 683.49 : x
2. Step 2: Convert to fraction form
   1,180.83/1,629.54 = 683.49/x
3. Step 3: Cross multiply
   1,180.83x = 1,629.54 × 683.49
4. Step 4: Simplify right side
   1,180.83x = 1,113,783.47
5. Step 5: Solve for x
   x = 1,113,783.47/1,180.83
6. Step 6: Final answer
   x = 943.22