Finding the Fourth Proportional to 11,081.98, 16,625.69 and 3,290.80

Step by Step Solution

1. Step 1: Write the proportion equation
   11,081.98 : 16,625.69 = 3,290.80 : x
2. Step 2: Convert to fraction form
   11,081.98/16,625.69 = 3,290.80/x
3. Step 3: Cross multiply
   11,081.98x = 16,625.69 × 3,290.80
4. Step 4: Simplify right side
   11,081.98x = 54,711,804.20
5. Step 5: Solve for x
   x = 54,711,804.20/11,081.98
6. Step 6: Final answer
   x = 4,937.01