Finding the Fourth Proportional to 11,112.48, 16,669.17 and 3,321.27

Step by Step Solution

1. Step 1: Write the proportion equation
   11,112.48 : 16,669.17 = 3,321.27 : x
2. Step 2: Convert to fraction form
   11,112.48/16,669.17 = 3,321.27/x
3. Step 3: Cross multiply
   11,112.48x = 16,669.17 × 3,321.27
4. Step 4: Simplify right side
   11,112.48x = 55,362,814.25
5. Step 5: Solve for x
   x = 55,362,814.25/11,112.48
6. Step 6: Final answer
   x = 4,982.04