Finding the Fourth Proportional to 16,959.02, 23,404.92 and 9,885.29

Step by Step Solution

1. Step 1: Write the proportion equation
   16,959.02 : 23,404.92 = 9,885.29 : x
2. Step 2: Convert to fraction form
   16,959.02/23,404.92 = 9,885.29/x
3. Step 3: Cross multiply
   16,959.02x = 23,404.92 × 9,885.29
4. Step 4: Simplify right side
   16,959.02x = 231,364,421.63
5. Step 5: Solve for x
   x = 231,364,421.63/16,959.02
6. Step 6: Final answer
   x = 13,642.56