Finding the Fourth Proportional to 2,722.48, 4,080.04 and 1,951.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,722.48 : 4,080.04 = 1,951.28 : x
2. Step 2: Convert to fraction form
   2,722.48/4,080.04 = 1,951.28/x
3. Step 3: Cross multiply
   2,722.48x = 4,080.04 × 1,951.28
4. Step 4: Simplify right side
   2,722.48x = 7,961,300.45
5. Step 5: Solve for x
   x = 7,961,300.45/2,722.48
6. Step 6: Final answer
   x = 2,924.28