Finding the Fourth Proportional to 1,788.91, 2,468.94 and 1,080.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,788.91 : 2,468.94 = 1,080.79 : x
2. Step 2: Convert to fraction form
   1,788.91/2,468.94 = 1,080.79/x
3. Step 3: Cross multiply
   1,788.91x = 2,468.94 × 1,080.79
4. Step 4: Simplify right side
   1,788.91x = 2,668,393.32
5. Step 5: Solve for x
   x = 2,668,393.32/1,788.91
6. Step 6: Final answer
   x = 1,491.64