Finding the Fourth Proportional to 1,525.34, 2,104.89 and 862.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,525.34 : 2,104.89 = 862.16 : x
2. Step 2: Convert to fraction form
   1,525.34/2,104.89 = 862.16/x
3. Step 3: Cross multiply
   1,525.34x = 2,104.89 × 862.16
4. Step 4: Simplify right side
   1,525.34x = 1,814,748.62
5. Step 5: Solve for x
   x = 1,814,748.62/1,525.34
6. Step 6: Final answer
   x = 1,189.73