Finding the Fourth Proportional to 1,920.59, 2,882.25 and 825.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,920.59 : 2,882.25 = 825.27 : x
2. Step 2: Convert to fraction form
   1,920.59/2,882.25 = 825.27/x
3. Step 3: Cross multiply
   1,920.59x = 2,882.25 × 825.27
4. Step 4: Simplify right side
   1,920.59x = 2,378,634.46
5. Step 5: Solve for x
   x = 2,378,634.46/1,920.59
6. Step 6: Final answer
   x = 1,238.49