Finding the Fourth Proportional to 1,179.69, 1,627.86 and 682.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,179.69 : 1,627.86 = 682.49 : x
2. Step 2: Convert to fraction form
   1,179.69/1,627.86 = 682.49/x
3. Step 3: Cross multiply
   1,179.69x = 1,627.86 × 682.49
4. Step 4: Simplify right side
   1,179.69x = 1,110,990.03
5. Step 5: Solve for x
   x = 1,110,990.03/1,179.69
6. Step 6: Final answer
   x = 941.76