Finding the Fourth Proportional to 23,729.62, 32,745.58 and 13,118.57

Step by Step Solution

1. Step 1: Write the proportion equation
   23,729.62 : 32,745.58 = 13,118.57 : x
2. Step 2: Convert to fraction form
   23,729.62/32,745.58 = 13,118.57/x
3. Step 3: Cross multiply
   23,729.62x = 32,745.58 × 13,118.57
4. Step 4: Simplify right side
   23,729.62x = 429,575,019.69
5. Step 5: Solve for x
   x = 429,575,019.69/23,729.62
6. Step 6: Final answer
   x = 18,102.90