Finding the Fourth Proportional to 6,039.79, 8,334.28 and 3,387.15

Step by Step Solution

1. Step 1: Write the proportion equation
   6,039.79 : 8,334.28 = 3,387.15 : x
2. Step 2: Convert to fraction form
   6,039.79/8,334.28 = 3,387.15/x
3. Step 3: Cross multiply
   6,039.79x = 8,334.28 × 3,387.15
4. Step 4: Simplify right side
   6,039.79x = 28,229,456.50
5. Step 5: Solve for x
   x = 28,229,456.50/6,039.79
6. Step 6: Final answer
   x = 4,673.91