Finding the Fourth Proportional to 23,680, 32,682.72 and 13,744

Step by Step Solution

1. Step 1: Write the proportion equation
   23,680 : 32,682.72 = 13,744 : x
2. Step 2: Convert to fraction form
   23,680/32,682.72 = 13,744/x
3. Step 3: Cross multiply
   23,680x = 32,682.72 × 13,744
4. Step 4: Simplify right side
   23,680x = 449,191,303.68
5. Step 5: Solve for x
   x = 449,191,303.68/23,680
6. Step 6: Final answer
   x = 18,969.23