Finding the Fourth Proportional to 11,081.48, 16,624.94 and 3,290.30

Step by Step Solution

1. Step 1: Write the proportion equation
   11,081.48 : 16,624.94 = 3,290.30 : x
2. Step 2: Convert to fraction form
   11,081.48/16,624.94 = 3,290.30/x
3. Step 3: Cross multiply
   11,081.48x = 16,624.94 × 3,290.30
4. Step 4: Simplify right side
   11,081.48x = 54,701,023.63
5. Step 5: Solve for x
   x = 54,701,023.63/11,081.48
6. Step 6: Final answer
   x = 4,936.26