Finding the Fourth Proportional to 23,247.36, 32,080.68 and 12,636.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,247.36 : 32,080.68 = 12,636.72 : x
2. Step 2: Convert to fraction form
   23,247.36/32,080.68 = 12,636.72/x
3. Step 3: Cross multiply
   23,247.36x = 32,080.68 × 12,636.72
4. Step 4: Simplify right side
   23,247.36x = 405,394,570.57
5. Step 5: Solve for x
   x = 405,394,570.57/23,247.36
6. Step 6: Final answer
   x = 17,438.31