Finding the Fourth Proportional to 16,782.35, 23,158.45 and 9,228.56

Step by Step Solution

1. Step 1: Write the proportion equation
   16,782.35 : 23,158.45 = 9,228.56 : x
2. Step 2: Convert to fraction form
   16,782.35/23,158.45 = 9,228.56/x
3. Step 3: Cross multiply
   16,782.35x = 23,158.45 × 9,228.56
4. Step 4: Simplify right side
   16,782.35x = 213,719,145.33
5. Step 5: Solve for x
   x = 213,719,145.33/16,782.35
6. Step 6: Final answer
   x = 12,734.76