Finding the Fourth Proportional to 16,796.28, 23,179.86 and 9,725.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,796.28 : 23,179.86 = 9,725.16 : x
2. Step 2: Convert to fraction form
   16,796.28/23,179.86 = 9,725.16/x
3. Step 3: Cross multiply
   16,796.28x = 23,179.86 × 9,725.16
4. Step 4: Simplify right side
   16,796.28x = 225,427,847.28
5. Step 5: Solve for x
   x = 225,427,847.28/16,796.28
6. Step 6: Final answer
   x = 13,421.30