Finding the Fourth Proportional to 23,255.31, 32,093.64 and 12,644.73

Step by Step Solution

1. Step 1: Write the proportion equation
   23,255.31 : 32,093.64 = 12,644.73 : x
2. Step 2: Convert to fraction form
   23,255.31/32,093.64 = 12,644.73/x
3. Step 3: Cross multiply
   23,255.31x = 32,093.64 × 12,644.73
4. Step 4: Simplify right side
   23,255.31x = 405,815,412.52
5. Step 5: Solve for x
   x = 405,815,412.52/23,255.31
6. Step 6: Final answer
   x = 17,450.44