Finding the Fourth Proportional to 23,164.64, 31,967.21 and 12,554.27

Step by Step Solution

1. Step 1: Write the proportion equation
   23,164.64 : 31,967.21 = 12,554.27 : x
2. Step 2: Convert to fraction form
   23,164.64/31,967.21 = 12,554.27/x
3. Step 3: Cross multiply
   23,164.64x = 31,967.21 × 12,554.27
4. Step 4: Simplify right side
   23,164.64x = 401,324,762.88
5. Step 5: Solve for x
   x = 401,324,762.88/23,164.64
6. Step 6: Final answer
   x = 17,324.89