Finding the Fourth Proportional to 1,104.33, 1,523.43 and 661.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,104.33 : 1,523.43 = 661.94 : x
2. Step 2: Convert to fraction form
   1,104.33/1,523.43 = 661.94/x
3. Step 3: Cross multiply
   1,104.33x = 1,523.43 × 661.94
4. Step 4: Simplify right side
   1,104.33x = 1,008,419.25
5. Step 5: Solve for x
   x = 1,008,419.25/1,104.33
6. Step 6: Final answer
   x = 913.15