Finding the Fourth Proportional to 1,525.18, 2,104.82 and 862.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,525.18 : 2,104.82 = 862.14 : x
2. Step 2: Convert to fraction form
   1,525.18/2,104.82 = 862.14/x
3. Step 3: Cross multiply
   1,525.18x = 2,104.82 × 862.14
4. Step 4: Simplify right side
   1,525.18x = 1,814,656.33
5. Step 5: Solve for x
   x = 1,814,656.33/1,525.18
6. Step 6: Final answer
   x = 1,189.80