Finding the Fourth Proportional to 11,205.56, 16,804.42 and 3,305.98

Step by Step Solution

1. Step 1: Write the proportion equation
   11,205.56 : 16,804.42 = 3,305.98 : x
2. Step 2: Convert to fraction form
   11,205.56/16,804.42 = 3,305.98/x
3. Step 3: Cross multiply
   11,205.56x = 16,804.42 × 3,305.98
4. Step 4: Simplify right side
   11,205.56x = 55,555,076.43
5. Step 5: Solve for x
   x = 55,555,076.43/11,205.56
6. Step 6: Final answer
   x = 4,957.81