Finding the Fourth Proportional to 3,944.30, 5,443.51 and 2,947.84

Step by Step Solution

1. Step 1: Write the proportion equation
   3,944.30 : 5,443.51 = 2,947.84 : x
2. Step 2: Convert to fraction form
   3,944.30/5,443.51 = 2,947.84/x
3. Step 3: Cross multiply
   3,944.30x = 5,443.51 × 2,947.84
4. Step 4: Simplify right side
   3,944.30x = 16,046,575.54
5. Step 5: Solve for x
   x = 16,046,575.54/3,944.30
6. Step 6: Final answer
   x = 4,068.30