Finding the Fourth Proportional to 20,441.58, 30,661.76 and 5,651.39

Step by Step Solution

1. Step 1: Write the proportion equation
   20,441.58 : 30,661.76 = 5,651.39 : x
2. Step 2: Convert to fraction form
   20,441.58/30,661.76 = 5,651.39/x
3. Step 3: Cross multiply
   20,441.58x = 30,661.76 × 5,651.39
4. Step 4: Simplify right side
   20,441.58x = 173,281,424.67
5. Step 5: Solve for x
   x = 173,281,424.67/20,441.58
6. Step 6: Final answer
   x = 8,476.91