Finding the Fourth Proportional to 1,104.54, 1,525.61 and 805.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,104.54 : 1,525.61 = 805.32 : x
2. Step 2: Convert to fraction form
   1,104.54/1,525.61 = 805.32/x
3. Step 3: Cross multiply
   1,104.54x = 1,525.61 × 805.32
4. Step 4: Simplify right side
   1,104.54x = 1,228,600.22
5. Step 5: Solve for x
   x = 1,228,600.22/1,104.54
6. Step 6: Final answer
   x = 1,112.32