Finding the Fourth Proportional to 1,104.32, 1,525.32 and 825.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,104.32 : 1,525.32 = 825.80 : x
2. Step 2: Convert to fraction form
   1,104.32/1,525.32 = 825.80/x
3. Step 3: Cross multiply
   1,104.32x = 1,525.32 × 825.80
4. Step 4: Simplify right side
   1,104.32x = 1,259,603.69
5. Step 5: Solve for x
   x = 1,259,603.69/1,104.32
6. Step 6: Final answer
   x = 1,140.61