Finding the Fourth Proportional to 1,964.16, 2,710.72 and 1,080.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,964.16 : 2,710.72 = 1,080.14 : x
2. Step 2: Convert to fraction form
   1,964.16/2,710.72 = 1,080.14/x
3. Step 3: Cross multiply
   1,964.16x = 2,710.72 × 1,080.14
4. Step 4: Simplify right side
   1,964.16x = 2,927,943.55
5. Step 5: Solve for x
   x = 2,927,943.55/1,964.16
6. Step 6: Final answer
   x = 1,490.68