Finding the Fourth Proportional to 23,727.89, 32,745.90 and 13,117.28

Step by Step Solution

1. Step 1: Write the proportion equation
   23,727.89 : 32,745.90 = 13,117.28 : x
2. Step 2: Convert to fraction form
   23,727.89/32,745.90 = 13,117.28/x
3. Step 3: Cross multiply
   23,727.89x = 32,745.90 × 13,117.28
4. Step 4: Simplify right side
   23,727.89x = 429,537,139.15
5. Step 5: Solve for x
   x = 429,537,139.15/23,727.89
6. Step 6: Final answer
   x = 18,102.63