Finding the Fourth Proportional to 16,796.80, 23,178.24 and 9,723.52

Step by Step Solution

1. Step 1: Write the proportion equation
   16,796.80 : 23,178.24 = 9,723.52 : x
2. Step 2: Convert to fraction form
   16,796.80/23,178.24 = 9,723.52/x
3. Step 3: Cross multiply
   16,796.80x = 23,178.24 × 9,723.52
4. Step 4: Simplify right side
   16,796.80x = 225,374,080.20
5. Step 5: Solve for x
   x = 225,374,080.20/16,796.80
6. Step 6: Final answer
   x = 13,417.68