Finding the Fourth Proportional to 1,441.19, 2,162.30 and 825.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,441.19 : 2,162.30 = 825.41 : x
2. Step 2: Convert to fraction form
   1,441.19/2,162.30 = 825.41/x
3. Step 3: Cross multiply
   1,441.19x = 2,162.30 × 825.41
4. Step 4: Simplify right side
   1,441.19x = 1,784,785.32
5. Step 5: Solve for x
   x = 1,784,785.32/1,441.19
6. Step 6: Final answer
   x = 1,238.41