Finding the Fourth Proportional to 2,969.92, 4,456.64 and 2,819.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,969.92 : 4,456.64 = 2,819.84 : x
2. Step 2: Convert to fraction form
   2,969.92/4,456.64 = 2,819.84/x
3. Step 3: Cross multiply
   2,969.92x = 4,456.64 × 2,819.84
4. Step 4: Simplify right side
   2,969.92x = 12,567,011.74
5. Step 5: Solve for x
   x = 12,567,011.74/2,969.92
6. Step 6: Final answer
   x = 4,231.43