Finding the Fourth Proportional to 1,964.16, 2,710.56 and 1,080.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,964.16 : 2,710.56 = 1,080.06 : x
2. Step 2: Convert to fraction form
   1,964.16/2,710.56 = 1,080.06/x
3. Step 3: Cross multiply
   1,964.16x = 2,710.56 × 1,080.06
4. Step 4: Simplify right side
   1,964.16x = 2,927,567.43
5. Step 5: Solve for x
   x = 2,927,567.43/1,964.16
6. Step 6: Final answer
   x = 1,490.49