Finding the Fourth Proportional to 16,001.69, 22,086.29 and 9,719.33

Step by Step Solution

1. Step 1: Write the proportion equation
   16,001.69 : 22,086.29 = 9,719.33 : x
2. Step 2: Convert to fraction form
   16,001.69/22,086.29 = 9,719.33/x
3. Step 3: Cross multiply
   16,001.69x = 22,086.29 × 9,719.33
4. Step 4: Simplify right side
   16,001.69x = 214,663,892.39
5. Step 5: Solve for x
   x = 214,663,892.39/16,001.69
6. Step 6: Final answer
   x = 13,415.08