Finding the Fourth Proportional to 6,422.03, 8,859.78 and 4,183.09

Step by Step Solution

1. Step 1: Write the proportion equation
   6,422.03 : 8,859.78 = 4,183.09 : x
2. Step 2: Convert to fraction form
   6,422.03/8,859.78 = 4,183.09/x
3. Step 3: Cross multiply
   6,422.03x = 8,859.78 × 4,183.09
4. Step 4: Simplify right side
   6,422.03x = 37,061,284.81
5. Step 5: Solve for x
   x = 37,061,284.81/6,422.03
6. Step 6: Final answer
   x = 5,770.96