Finding the Fourth Proportional to 1,103.22, 1,521.96 and 730.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,103.22 : 1,521.96 = 730.62 : x
2. Step 2: Convert to fraction form
   1,103.22/1,521.96 = 730.62/x
3. Step 3: Cross multiply
   1,103.22x = 1,521.96 × 730.62
4. Step 4: Simplify right side
   1,103.22x = 1,111,974.42
5. Step 5: Solve for x
   x = 1,111,974.42/1,103.22
6. Step 6: Final answer
   x = 1,007.94