Finding the Fourth Proportional to 1,103.88, 1,523.17 and 662.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,103.88 : 1,523.17 = 662.03 : x
2. Step 2: Convert to fraction form
   1,103.88/1,523.17 = 662.03/x
3. Step 3: Cross multiply
   1,103.88x = 1,523.17 × 662.03
4. Step 4: Simplify right side
   1,103.88x = 1,008,384.24
5. Step 5: Solve for x
   x = 1,008,384.24/1,103.88
6. Step 6: Final answer
   x = 913.49