Finding the Fourth Proportional to 1,180.04, 1,628.72 and 682.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,180.04 : 1,628.72 = 682.96 : x
2. Step 2: Convert to fraction form
   1,180.04/1,628.72 = 682.96/x
3. Step 3: Cross multiply
   1,180.04x = 1,628.72 × 682.96
4. Step 4: Simplify right side
   1,180.04x = 1,112,350.61
5. Step 5: Solve for x
   x = 1,112,350.61/1,180.04
6. Step 6: Final answer
   x = 942.64