Finding the Fourth Proportional to 1,815.27, 2,721.06 and 719.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,815.27 : 2,721.06 = 719.04 : x
2. Step 2: Convert to fraction form
   1,815.27/2,721.06 = 719.04/x
3. Step 3: Cross multiply
   1,815.27x = 2,721.06 × 719.04
4. Step 4: Simplify right side
   1,815.27x = 1,956,550.98
5. Step 5: Solve for x
   x = 1,956,550.98/1,815.27
6. Step 6: Final answer
   x = 1,077.83