Finding the Fourth Proportional to 1,964.86, 2,711.67 and 1,080.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,964.86 : 2,711.67 = 1,080.82 : x
2. Step 2: Convert to fraction form
   1,964.86/2,711.67 = 1,080.82/x
3. Step 3: Cross multiply
   1,964.86x = 2,711.67 × 1,080.82
4. Step 4: Simplify right side
   1,964.86x = 2,930,826.51
5. Step 5: Solve for x
   x = 2,930,826.51/1,964.86
6. Step 6: Final answer
   x = 1,491.62