Finding the Fourth Proportional to 23,724.42, 32,739.39 and 13,113.87

Step by Step Solution

1. Step 1: Write the proportion equation
   23,724.42 : 32,739.39 = 13,113.87 : x
2. Step 2: Convert to fraction form
   23,724.42/32,739.39 = 13,113.87/x
3. Step 3: Cross multiply
   23,724.42x = 32,739.39 × 13,113.87
4. Step 4: Simplify right side
   23,724.42x = 429,340,104.34
5. Step 5: Solve for x
   x = 429,340,104.34/23,724.42
6. Step 6: Final answer
   x = 18,096.97