Finding the Fourth Proportional to 11,089.62, 16,620.50 and 5,544.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,089.62 : 16,620.50 = 5,544.50 : x
2. Step 2: Convert to fraction form
   11,089.62/16,620.50 = 5,544.50/x
3. Step 3: Cross multiply
   11,089.62x = 16,620.50 × 5,544.50
4. Step 4: Simplify right side
   11,089.62x = 92,152,362.25
5. Step 5: Solve for x
   x = 92,152,362.25/11,089.62
6. Step 6: Final answer
   x = 8,309.79