Finding the Fourth Proportional to 16,855.94, 25,264.23 and 12,682.54

Step by Step Solution

1. Step 1: Write the proportion equation
   16,855.94 : 25,264.23 = 12,682.54 : x
2. Step 2: Convert to fraction form
   16,855.94/25,264.23 = 12,682.54/x
3. Step 3: Cross multiply
   16,855.94x = 25,264.23 × 12,682.54
4. Step 4: Simplify right side
   16,855.94x = 320,414,607.54
5. Step 5: Solve for x
   x = 320,414,607.54/16,855.94
6. Step 6: Final answer
   x = 19,009.00