Finding the Fourth Proportional to 11,829.29, 16,308.72 and 9,805.14

Step by Step Solution

1. Step 1: Write the proportion equation
   11,829.29 : 16,308.72 = 9,805.14 : x
2. Step 2: Convert to fraction form
   11,829.29/16,308.72 = 9,805.14/x
3. Step 3: Cross multiply
   11,829.29x = 16,308.72 × 9,805.14
4. Step 4: Simplify right side
   11,829.29x = 159,909,282.82
5. Step 5: Solve for x
   x = 159,909,282.82/11,829.29
6. Step 6: Final answer
   x = 13,518.08