Finding the Fourth Proportional to 1,105.33, 1,525.40 and 633.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105.33 : 1,525.40 = 633.23 : x
2. Step 2: Convert to fraction form
   1,105.33/1,525.40 = 633.23/x
3. Step 3: Cross multiply
   1,105.33x = 1,525.40 × 633.23
4. Step 4: Simplify right side
   1,105.33x = 965,929.04
5. Step 5: Solve for x
   x = 965,929.04/1,105.33
6. Step 6: Final answer
   x = 873.88