Finding the Fourth Proportional to 1,180.93, 1,629.55 and 683.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,180.93 : 1,629.55 = 683.72 : x
2. Step 2: Convert to fraction form
   1,180.93/1,629.55 = 683.72/x
3. Step 3: Cross multiply
   1,180.93x = 1,629.55 × 683.72
4. Step 4: Simplify right side
   1,180.93x = 1,114,155.93
5. Step 5: Solve for x
   x = 1,114,155.93/1,180.93
6. Step 6: Final answer
   x = 943.46