Finding the Fourth Proportional to 1,179.05, 1,627.08 and 681.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,179.05 : 1,627.08 = 681.68 : x
2. Step 2: Convert to fraction form
   1,179.05/1,627.08 = 681.68/x
3. Step 3: Cross multiply
   1,179.05x = 1,627.08 × 681.68
4. Step 4: Simplify right side
   1,179.05x = 1,109,147.89
5. Step 5: Solve for x
   x = 1,109,147.89/1,179.05
6. Step 6: Final answer
   x = 940.71