Finding the Fourth Proportional to 1,964.24, 2,710.83 and 1,080.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,964.24 : 2,710.83 = 1,080.22 : x
2. Step 2: Convert to fraction form
   1,964.24/2,710.83 = 1,080.22/x
3. Step 3: Cross multiply
   1,964.24x = 2,710.83 × 1,080.22
4. Step 4: Simplify right side
   1,964.24x = 2,928,292.78
5. Step 5: Solve for x
   x = 2,928,292.78/1,964.24
6. Step 6: Final answer
   x = 1,490.80