Finding the Fourth Proportional to 1,105.83, 1,659.12 and 694.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105.83 : 1,659.12 = 694.48 : x
2. Step 2: Convert to fraction form
   1,105.83/1,659.12 = 694.48/x
3. Step 3: Cross multiply
   1,105.83x = 1,659.12 × 694.48
4. Step 4: Simplify right side
   1,105.83x = 1,152,222.19
5. Step 5: Solve for x
   x = 1,152,222.19/1,105.83
6. Step 6: Final answer
   x = 1,041.96