Finding the Fourth Proportional to 3,327.30, 4,991.82 and 1,478.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,327.30 : 4,991.82 = 1,478.82 : x
2. Step 2: Convert to fraction form
   3,327.30/4,991.82 = 1,478.82/x
3. Step 3: Cross multiply
   3,327.30x = 4,991.82 × 1,478.82
4. Step 4: Simplify right side
   3,327.30x = 7,382,003.25
5. Step 5: Solve for x
   x = 7,382,003.25/3,327.30
6. Step 6: Final answer
   x = 2,218.62