Finding the Fourth Proportional to 1,525.17, 2,104.72 and 862.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,525.17 : 2,104.72 = 862.24 : x
2. Step 2: Convert to fraction form
   1,525.17/2,104.72 = 862.24/x
3. Step 3: Cross multiply
   1,525.17x = 2,104.72 × 862.24
4. Step 4: Simplify right side
   1,525.17x = 1,814,773.77
5. Step 5: Solve for x
   x = 1,814,773.77/1,525.17
6. Step 6: Final answer
   x = 1,189.88