Finding the Fourth Proportional to 23,718.56, 32,728.74 and 13,108.37

Step by Step Solution

1. Step 1: Write the proportion equation
   23,718.56 : 32,728.74 = 13,108.37 : x
2. Step 2: Convert to fraction form
   23,718.56/32,728.74 = 13,108.37/x
3. Step 3: Cross multiply
   23,718.56x = 32,728.74 × 13,108.37
4. Step 4: Simplify right side
   23,718.56x = 429,020,433.55
5. Step 5: Solve for x
   x = 429,020,433.55/23,718.56
6. Step 6: Final answer
   x = 18,087.96