Finding the Fourth Proportional to 11,072.47, 16,608.78 and 3,281.35

Step by Step Solution

1. Step 1: Write the proportion equation
   11,072.47 : 16,608.78 = 3,281.35 : x
2. Step 2: Convert to fraction form
   11,072.47/16,608.78 = 3,281.35/x
3. Step 3: Cross multiply
   11,072.47x = 16,608.78 × 3,281.35
4. Step 4: Simplify right side
   11,072.47x = 54,499,220.25
5. Step 5: Solve for x
   x = 54,499,220.25/11,072.47
6. Step 6: Final answer
   x = 4,922.05