Finding the Fourth Proportional to 6,185.24, 8,535.78 and 3,390.76

Step by Step Solution

1. Step 1: Write the proportion equation
   6,185.24 : 8,535.78 = 3,390.76 : x
2. Step 2: Convert to fraction form
   6,185.24/8,535.78 = 3,390.76/x
3. Step 3: Cross multiply
   6,185.24x = 8,535.78 × 3,390.76
4. Step 4: Simplify right side
   6,185.24x = 28,942,781.39
5. Step 5: Solve for x
   x = 28,942,781.39/6,185.24
6. Step 6: Final answer
   x = 4,679.33