Finding the Fourth Proportional to 23,005.28, 31,745.84 and 12,933.59

Step by Step Solution

1. Step 1: Write the proportion equation
   23,005.28 : 31,745.84 = 12,933.59 : x
2. Step 2: Convert to fraction form
   23,005.28/31,745.84 = 12,933.59/x
3. Step 3: Cross multiply
   23,005.28x = 31,745.84 × 12,933.59
4. Step 4: Simplify right side
   23,005.28x = 410,587,455.37
5. Step 5: Solve for x
   x = 410,587,455.37/23,005.28
6. Step 6: Final answer
   x = 17,847.53