Finding the Fourth Proportional to 9,789.69, 14,656.53 and 9,168.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,789.69 : 14,656.53 = 9,168.96 : x
2. Step 2: Convert to fraction form
   9,789.69/14,656.53 = 9,168.96/x
3. Step 3: Cross multiply
   9,789.69x = 14,656.53 × 9,168.96
4. Step 4: Simplify right side
   9,789.69x = 134,385,137.31
5. Step 5: Solve for x
   x = 134,385,137.31/9,789.69
6. Step 6: Final answer
   x = 13,727.21