Finding the Fourth Proportional to 11,081.50, 16,623.90 and 3,582.55

Step by Step Solution

1. Step 1: Write the proportion equation
   11,081.50 : 16,623.90 = 3,582.55 : x
2. Step 2: Convert to fraction form
   11,081.50/16,623.90 = 3,582.55/x
3. Step 3: Cross multiply
   11,081.50x = 16,623.90 × 3,582.55
4. Step 4: Simplify right side
   11,081.50x = 59,555,952.95
5. Step 5: Solve for x
   x = 59,555,952.95/11,081.50
6. Step 6: Final answer
   x = 5,374.36