Finding the Fourth Proportional to 23,255.29, 32,090.88 and 12,644.83

Step by Step Solution

1. Step 1: Write the proportion equation
   23,255.29 : 32,090.88 = 12,644.83 : x
2. Step 2: Convert to fraction form
   23,255.29/32,090.88 = 12,644.83/x
3. Step 3: Cross multiply
   23,255.29x = 32,090.88 × 12,644.83
4. Step 4: Simplify right side
   23,255.29x = 405,783,722.15
5. Step 5: Solve for x
   x = 405,783,722.15/23,255.29
6. Step 6: Final answer
   x = 17,449.09