Finding the Fourth Proportional to 1,179.50, 1,627.56 and 681.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,179.50 : 1,627.56 = 681.75 : x
2. Step 2: Convert to fraction form
   1,179.50/1,627.56 = 681.75/x
3. Step 3: Cross multiply
   1,179.50x = 1,627.56 × 681.75
4. Step 4: Simplify right side
   1,179.50x = 1,109,589.03
5. Step 5: Solve for x
   x = 1,109,589.03/1,179.50
6. Step 6: Final answer
   x = 940.73