Finding the Fourth Proportional to 16,811.94, 23,200.38 and 9,738.22

Step by Step Solution

1. Step 1: Write the proportion equation
   16,811.94 : 23,200.38 = 9,738.22 : x
2. Step 2: Convert to fraction form
   16,811.94/23,200.38 = 9,738.22/x
3. Step 3: Cross multiply
   16,811.94x = 23,200.38 × 9,738.22
4. Step 4: Simplify right side
   16,811.94x = 225,930,404.52
5. Step 5: Solve for x
   x = 225,930,404.52/16,811.94
6. Step 6: Final answer
   x = 13,438.69