Finding the Fourth Proportional to 1,525.41, 2,105.01 and 862.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,525.41 : 2,105.01 = 862.12 : x
2. Step 2: Convert to fraction form
   1,525.41/2,105.01 = 862.12/x
3. Step 3: Cross multiply
   1,525.41x = 2,105.01 × 862.12
4. Step 4: Simplify right side
   1,525.41x = 1,814,771.22
5. Step 5: Solve for x
   x = 1,814,771.22/1,525.41
6. Step 6: Final answer
   x = 1,189.69