Finding the Fourth Proportional to 6,636.20, 9,947.31 and 3,342.37

Step by Step Solution

1. Step 1: Write the proportion equation
   6,636.20 : 9,947.31 = 3,342.37 : x
2. Step 2: Convert to fraction form
   6,636.20/9,947.31 = 3,342.37/x
3. Step 3: Cross multiply
   6,636.20x = 9,947.31 × 3,342.37
4. Step 4: Simplify right side
   6,636.20x = 33,247,590.52
5. Step 5: Solve for x
   x = 33,247,590.52/6,636.20
6. Step 6: Final answer
   x = 5,010.03