Finding the Fourth Proportional to 1,105.25, 1,656.76 and 694.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105.25 : 1,656.76 = 694.68 : x
2. Step 2: Convert to fraction form
   1,105.25/1,656.76 = 694.68/x
3. Step 3: Cross multiply
   1,105.25x = 1,656.76 × 694.68
4. Step 4: Simplify right side
   1,105.25x = 1,150,918.04
5. Step 5: Solve for x
   x = 1,150,918.04/1,105.25
6. Step 6: Final answer
   x = 1,041.32