Finding the Fourth Proportional to 6,039.54, 8,335.17 and 3,940.02

Step by Step Solution

1. Step 1: Write the proportion equation
   6,039.54 : 8,335.17 = 3,940.02 : x
2. Step 2: Convert to fraction form
   6,039.54/8,335.17 = 3,940.02/x
3. Step 3: Cross multiply
   6,039.54x = 8,335.17 × 3,940.02
4. Step 4: Simplify right side
   6,039.54x = 32,840,736.50
5. Step 5: Solve for x
   x = 32,840,736.50/6,039.54
6. Step 6: Final answer
   x = 5,437.62