Finding the Fourth Proportional to 11,719.37, 16,155.89 and 8,356.33

Step by Step Solution

1. Step 1: Write the proportion equation
   11,719.37 : 16,155.89 = 8,356.33 : x
2. Step 2: Convert to fraction form
   11,719.37/16,155.89 = 8,356.33/x
3. Step 3: Cross multiply
   11,719.37x = 16,155.89 × 8,356.33
4. Step 4: Simplify right side
   11,719.37x = 135,003,958.03
5. Step 5: Solve for x
   x = 135,003,958.03/11,719.37
6. Step 6: Final answer
   x = 11,519.73