Finding the Fourth Proportional to 2,723.52, 4,085.72 and 1,080.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,723.52 : 4,085.72 = 1,080.07 : x
2. Step 2: Convert to fraction form
   2,723.52/4,085.72 = 1,080.07/x
3. Step 3: Cross multiply
   2,723.52x = 4,085.72 × 1,080.07
4. Step 4: Simplify right side
   2,723.52x = 4,412,866.30
5. Step 5: Solve for x
   x = 4,412,866.30/2,723.52
6. Step 6: Final answer
   x = 1,620.28