Finding the Fourth Proportional to 11,112.96, 16,672.02 and 3,321.96

Step by Step Solution

1. Step 1: Write the proportion equation
   11,112.96 : 16,672.02 = 3,321.96 : x
2. Step 2: Convert to fraction form
   11,112.96/16,672.02 = 3,321.96/x
3. Step 3: Cross multiply
   11,112.96x = 16,672.02 × 3,321.96
4. Step 4: Simplify right side
   11,112.96x = 55,383,783.56
5. Step 5: Solve for x
   x = 55,383,783.56/11,112.96
6. Step 6: Final answer
   x = 4,983.71