Finding the Fourth Proportional to 16,743.68, 23,086.32 and 13,749.92

Step by Step Solution

1. Step 1: Write the proportion equation
   16,743.68 : 23,086.32 = 13,749.92 : x
2. Step 2: Convert to fraction form
   16,743.68/23,086.32 = 13,749.92/x
3. Step 3: Cross multiply
   16,743.68x = 23,086.32 × 13,749.92
4. Step 4: Simplify right side
   16,743.68x = 317,435,053.09
5. Step 5: Solve for x
   x = 317,435,053.09/16,743.68
6. Step 6: Final answer
   x = 18,958.50