Finding the Fourth Proportional to 16,958.88, 23,402.88 and 9,885.96

Step by Step Solution

1. Step 1: Write the proportion equation
   16,958.88 : 23,402.88 = 9,885.96 : x
2. Step 2: Convert to fraction form
   16,958.88/23,402.88 = 9,885.96/x
3. Step 3: Cross multiply
   16,958.88x = 23,402.88 × 9,885.96
4. Step 4: Simplify right side
   16,958.88x = 231,359,935.56
5. Step 5: Solve for x
   x = 231,359,935.56/16,958.88
6. Step 6: Final answer
   x = 13,642.41