Finding the Fourth Proportional to 1,826.16, 2,519.74 and 1,080.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,826.16 : 2,519.74 = 1,080.24 : x
2. Step 2: Convert to fraction form
   1,826.16/2,519.74 = 1,080.24/x
3. Step 3: Cross multiply
   1,826.16x = 2,519.74 × 1,080.24
4. Step 4: Simplify right side
   1,826.16x = 2,721,923.94
5. Step 5: Solve for x
   x = 2,721,923.94/1,826.16
6. Step 6: Final answer
   x = 1,490.52