Finding the Fourth Proportional to 1,180.27, 1,628.67 and 682.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,180.27 : 1,628.67 = 682.94 : x
2. Step 2: Convert to fraction form
   1,180.27/1,628.67 = 682.94/x
3. Step 3: Cross multiply
   1,180.27x = 1,628.67 × 682.94
4. Step 4: Simplify right side
   1,180.27x = 1,112,283.89
5. Step 5: Solve for x
   x = 1,112,283.89/1,180.27
6. Step 6: Final answer
   x = 942.40