Finding the Fourth Proportional to 1,104.02, 1,523.57 and 661.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,104.02 : 1,523.57 = 661.96 : x
2. Step 2: Convert to fraction form
   1,104.02/1,523.57 = 661.96/x
3. Step 3: Cross multiply
   1,104.02x = 1,523.57 × 661.96
4. Step 4: Simplify right side
   1,104.02x = 1,008,542.40
5. Step 5: Solve for x
   x = 1,008,542.40/1,104.02
6. Step 6: Final answer
   x = 913.52