Finding the Fourth Proportional to 1,103.27, 1,522.75 and 730.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,103.27 : 1,522.75 = 730.30 : x
2. Step 2: Convert to fraction form
   1,103.27/1,522.75 = 730.30/x
3. Step 3: Cross multiply
   1,103.27x = 1,522.75 × 730.30
4. Step 4: Simplify right side
   1,103.27x = 1,112,064.33
5. Step 5: Solve for x
   x = 1,112,064.33/1,103.27
6. Step 6: Final answer
   x = 1,007.97