Finding the Fourth Proportional to 1,180.58, 1,629.32 and 683.19

Step by Step Solution

1. Step 1: Write the proportion equation
   1,180.58 : 1,629.32 = 683.19 : x
2. Step 2: Convert to fraction form
   1,180.58/1,629.32 = 683.19/x
3. Step 3: Cross multiply
   1,180.58x = 1,629.32 × 683.19
4. Step 4: Simplify right side
   1,180.58x = 1,113,131.71
5. Step 5: Solve for x
   x = 1,113,131.71/1,180.58
6. Step 6: Final answer
   x = 942.87