Finding the Fourth Proportional to 23,729, 32,745.48 and 13,118.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,729 : 32,745.48 = 13,118.72 : x
2. Step 2: Convert to fraction form
   23,729/32,745.48 = 13,118.72/x
3. Step 3: Cross multiply
   23,729x = 32,745.48 × 13,118.72
4. Step 4: Simplify right side
   23,729x = 429,578,783.39
5. Step 5: Solve for x
   x = 429,578,783.39/23,729
6. Step 6: Final answer
   x = 18,103.54