Finding the Fourth Proportional to 16,086.84, 22,199.91 and 9,377.07

Step by Step Solution

1. Step 1: Write the proportion equation
   16,086.84 : 22,199.91 = 9,377.07 : x
2. Step 2: Convert to fraction form
   16,086.84/22,199.91 = 9,377.07/x
3. Step 3: Cross multiply
   16,086.84x = 22,199.91 × 9,377.07
4. Step 4: Simplify right side
   16,086.84x = 208,169,991.65
5. Step 5: Solve for x
   x = 208,169,991.65/16,086.84
6. Step 6: Final answer
   x = 12,940.39