Finding the Fourth Proportional to 16,964.52, 23,402.16 and 9,885.12

Step by Step Solution

1. Step 1: Write the proportion equation
   16,964.52 : 23,402.16 = 9,885.12 : x
2. Step 2: Convert to fraction form
   16,964.52/23,402.16 = 9,885.12/x
3. Step 3: Cross multiply
   16,964.52x = 23,402.16 × 9,885.12
4. Step 4: Simplify right side
   16,964.52x = 231,333,159.86
5. Step 5: Solve for x
   x = 231,333,159.86/16,964.52
6. Step 6: Final answer
   x = 13,636.29