Finding the Fourth Proportional to 20,554.58, 30,813.42 and 17,067

Step by Step Solution

1. Step 1: Write the proportion equation
   20,554.58 : 30,813.42 = 17,067 : x
2. Step 2: Convert to fraction form
   20,554.58/30,813.42 = 17,067/x
3. Step 3: Cross multiply
   20,554.58x = 30,813.42 × 17,067
4. Step 4: Simplify right side
   20,554.58x = 525,892,553.81
5. Step 5: Solve for x
   x = 525,892,553.81/20,554.58
6. Step 6: Final answer
   x = 25,585.18