Finding the Fourth Proportional to 16,211, 22,356.62 and 13,829.56

Step by Step Solution

1. Step 1: Write the proportion equation
   16,211 : 22,356.62 = 13,829.56 : x
2. Step 2: Convert to fraction form
   16,211/22,356.62 = 13,829.56/x
3. Step 3: Cross multiply
   16,211x = 22,356.62 × 13,829.56
4. Step 4: Simplify right side
   16,211x = 309,182,217.69
5. Step 5: Solve for x
   x = 309,182,217.69/16,211
6. Step 6: Final answer
   x = 19,072.37