Finding the Fourth Proportional to 4,417.37, 6,619.89 and 3,320.46

Step by Step Solution

1. Step 1: Write the proportion equation
   4,417.37 : 6,619.89 = 3,320.46 : x
2. Step 2: Convert to fraction form
   4,417.37/6,619.89 = 3,320.46/x
3. Step 3: Cross multiply
   4,417.37x = 6,619.89 × 3,320.46
4. Step 4: Simplify right side
   4,417.37x = 21,981,092.40
5. Step 5: Solve for x
   x = 21,981,092.40/4,417.37
6. Step 6: Final answer
   x = 4,976.06