Finding the Fourth Proportional to 11,221.76, 16,806.72 and 10,832.96

Step by Step Solution

1. Step 1: Write the proportion equation
   11,221.76 : 16,806.72 = 10,832.96 : x
2. Step 2: Convert to fraction form
   11,221.76/16,806.72 = 10,832.96/x
3. Step 3: Cross multiply
   11,221.76x = 16,806.72 × 10,832.96
4. Step 4: Simplify right side
   11,221.76x = 182,066,525.49
5. Step 5: Solve for x
   x = 182,066,525.49/11,221.76
6. Step 6: Final answer
   x = 16,224.42