Finding the Fourth Proportional to 25,821.25, 35,633.33 and 14,643.25

Step by Step Solution

1. Step 1: Write the proportion equation
   25,821.25 : 35,633.33 = 14,643.25 : x
2. Step 2: Convert to fraction form
   25,821.25/35,633.33 = 14,643.25/x
3. Step 3: Cross multiply
   25,821.25x = 35,633.33 × 14,643.25
4. Step 4: Simplify right side
   25,821.25x = 521,787,759.52
5. Step 5: Solve for x
   x = 521,787,759.52/25,821.25
6. Step 6: Final answer
   x = 20,207.69