Finding the Fourth Proportional to 5,624.69, 8,419.33 and 3,859.37

Step by Step Solution

1. Step 1: Write the proportion equation
   5,624.69 : 8,419.33 = 3,859.37 : x
2. Step 2: Convert to fraction form
   5,624.69/8,419.33 = 3,859.37/x
3. Step 3: Cross multiply
   5,624.69x = 8,419.33 × 3,859.37
4. Step 4: Simplify right side
   5,624.69x = 32,493,299.97
5. Step 5: Solve for x
   x = 32,493,299.97/5,624.69
6. Step 6: Final answer
   x = 5,776.91