Finding the Fourth Proportional to 23,718, 32,729.56 and 13,107

Step by Step Solution

1. Step 1: Write the proportion equation
   23,718 : 32,729.56 = 13,107 : x
2. Step 2: Convert to fraction form
   23,718/32,729.56 = 13,107/x
3. Step 3: Cross multiply
   23,718x = 32,729.56 × 13,107
4. Step 4: Simplify right side
   23,718x = 428,986,342.92
5. Step 5: Solve for x
   x = 428,986,342.92/23,718
6. Step 6: Final answer
   x = 18,086.95