Finding the Fourth Proportional to 16,959.63, 23,404.56 and 9,406.27

Step by Step Solution

1. Step 1: Write the proportion equation
   16,959.63 : 23,404.56 = 9,406.27 : x
2. Step 2: Convert to fraction form
   16,959.63/23,404.56 = 9,406.27/x
3. Step 3: Cross multiply
   16,959.63x = 23,404.56 × 9,406.27
4. Step 4: Simplify right side
   16,959.63x = 220,149,610.59
5. Step 5: Solve for x
   x = 220,149,610.59/16,959.63
6. Step 6: Final answer
   x = 12,980.80