Finding the Fourth Proportional to 32,286.72, 44,556.82 and 18,139.28

Step by Step Solution

1. Step 1: Write the proportion equation
   32,286.72 : 44,556.82 = 18,139.28 : x
2. Step 2: Convert to fraction form
   32,286.72/44,556.82 = 18,139.28/x
3. Step 3: Cross multiply
   32,286.72x = 44,556.82 × 18,139.28
4. Step 4: Simplify right side
   32,286.72x = 808,228,633.89
5. Step 5: Solve for x
   x = 808,228,633.89/32,286.72
6. Step 6: Final answer
   x = 25,032.85