Finding the Fourth Proportional to 1,034.24, 1,426.77 and 661.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,034.24 : 1,426.77 = 661.03 : x
2. Step 2: Convert to fraction form
   1,034.24/1,426.77 = 661.03/x
3. Step 3: Cross multiply
   1,034.24x = 1,426.77 × 661.03
4. Step 4: Simplify right side
   1,034.24x = 943,142.04
5. Step 5: Solve for x
   x = 943,142.04/1,034.24
6. Step 6: Final answer
   x = 911.92