Finding the Fourth Proportional to 16,782.01, 23,159.33 and 9,228.15

Step by Step Solution

1. Step 1: Write the proportion equation
   16,782.01 : 23,159.33 = 9,228.15 : x
2. Step 2: Convert to fraction form
   16,782.01/23,159.33 = 9,228.15/x
3. Step 3: Cross multiply
   16,782.01x = 23,159.33 × 9,228.15
4. Step 4: Simplify right side
   16,782.01x = 213,717,771.14
5. Step 5: Solve for x
   x = 213,717,771.14/16,782.01
6. Step 6: Final answer
   x = 12,734.93