Finding the Fourth Proportional to 1,179.05, 1,627.02 and 681.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,179.05 : 1,627.02 = 681.71 : x
2. Step 2: Convert to fraction form
   1,179.05/1,627.02 = 681.71/x
3. Step 3: Cross multiply
   1,179.05x = 1,627.02 × 681.71
4. Step 4: Simplify right side
   1,179.05x = 1,109,147.67
5. Step 5: Solve for x
   x = 1,109,147.67/1,179.05
6. Step 6: Final answer
   x = 940.72