Finding the Fourth Proportional to 1,525.25, 2,104.82 and 862.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,525.25 : 2,104.82 = 862.08 : x
2. Step 2: Convert to fraction form
   1,525.25/2,104.82 = 862.08/x
3. Step 3: Cross multiply
   1,525.25x = 2,104.82 × 862.08
4. Step 4: Simplify right side
   1,525.25x = 1,814,514.25
5. Step 5: Solve for x
   x = 1,814,514.25/1,525.25
6. Step 6: Final answer
   x = 1,189.65