Finding the Fourth Proportional to 6,188.29, 8,540.31 and 3,535.81

Step by Step Solution

1. Step 1: Write the proportion equation
   6,188.29 : 8,540.31 = 3,535.81 : x
2. Step 2: Convert to fraction form
   6,188.29/8,540.31 = 3,535.81/x
3. Step 3: Cross multiply
   6,188.29x = 8,540.31 × 3,535.81
4. Step 4: Simplify right side
   6,188.29x = 30,196,913.50
5. Step 5: Solve for x
   x = 30,196,913.50/6,188.29
6. Step 6: Final answer
   x = 4,879.69