Finding the Fourth Proportional to 6,188.89, 8,540.88 and 4,424.71

Step by Step Solution

1. Step 1: Write the proportion equation
   6,188.89 : 8,540.88 = 4,424.71 : x
2. Step 2: Convert to fraction form
   6,188.89/8,540.88 = 4,424.71/x
3. Step 3: Cross multiply
   6,188.89x = 8,540.88 × 4,424.71
4. Step 4: Simplify right side
   6,188.89x = 37,790,917.14
5. Step 5: Solve for x
   x = 37,790,917.14/6,188.89
6. Step 6: Final answer
   x = 6,106.25