Finding the Fourth Proportional to 23,728.72, 32,747.16 and 13,118.44

Step by Step Solution

1. Step 1: Write the proportion equation
   23,728.72 : 32,747.16 = 13,118.44 : x
2. Step 2: Convert to fraction form
   23,728.72/32,747.16 = 13,118.44/x
3. Step 3: Cross multiply
   23,728.72x = 32,747.16 × 13,118.44
4. Step 4: Simplify right side
   23,728.72x = 429,591,653.63
5. Step 5: Solve for x
   x = 429,591,653.63/23,728.72
6. Step 6: Final answer
   x = 18,104.29