Finding the Fourth Proportional to 16,959.88, 23,404.56 and 9,507.88

Step by Step Solution

1. Step 1: Write the proportion equation
   16,959.88 : 23,404.56 = 9,507.88 : x
2. Step 2: Convert to fraction form
   16,959.88/23,404.56 = 9,507.88/x
3. Step 3: Cross multiply
   16,959.88x = 23,404.56 × 9,507.88
4. Step 4: Simplify right side
   16,959.88x = 222,527,747.93
5. Step 5: Solve for x
   x = 222,527,747.93/16,959.88
6. Step 6: Final answer
   x = 13,120.83