Finding the Fourth Proportional to 16,189.86, 22,333.24 and 11,145.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,189.86 : 22,333.24 = 11,145.18 : x
2. Step 2: Convert to fraction form
   16,189.86/22,333.24 = 11,145.18/x
3. Step 3: Cross multiply
   16,189.86x = 22,333.24 × 11,145.18
4. Step 4: Simplify right side
   16,189.86x = 248,907,979.78
5. Step 5: Solve for x
   x = 248,907,979.78/16,189.86
6. Step 6: Final answer
   x = 15,374.31