Finding the Fourth Proportional to 23,164.86, 31,967.28 and 12,554.32

Step by Step Solution

1. Step 1: Write the proportion equation
   23,164.86 : 31,967.28 = 12,554.32 : x
2. Step 2: Convert to fraction form
   23,164.86/31,967.28 = 12,554.32/x
3. Step 3: Cross multiply
   23,164.86x = 31,967.28 × 12,554.32
4. Step 4: Simplify right side
   23,164.86x = 401,327,462.65
5. Step 5: Solve for x
   x = 401,327,462.65/23,164.86
6. Step 6: Final answer
   x = 17,324.84