Finding the Fourth Proportional to 1,103.23, 1,522.24 and 710.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,103.23 : 1,522.24 = 710.20 : x
2. Step 2: Convert to fraction form
   1,103.23/1,522.24 = 710.20/x
3. Step 3: Cross multiply
   1,103.23x = 1,522.24 × 710.20
4. Step 4: Simplify right side
   1,103.23x = 1,081,094.85
5. Step 5: Solve for x
   x = 1,081,094.85/1,103.23
6. Step 6: Final answer
   x = 979.94