Finding the Fourth Proportional to 10,824.82, 16,245.73 and 5,559.61

Step by Step Solution

1. Step 1: Write the proportion equation
   10,824.82 : 16,245.73 = 5,559.61 : x
2. Step 2: Convert to fraction form
   10,824.82/16,245.73 = 5,559.61/x
3. Step 3: Cross multiply
   10,824.82x = 16,245.73 × 5,559.61
4. Step 4: Simplify right side
   10,824.82x = 90,319,922.97
5. Step 5: Solve for x
   x = 90,319,922.97/10,824.82
6. Step 6: Final answer
   x = 8,343.78