Finding the Fourth Proportional to 2,732.58, 4,099.59 and 1,089.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,732.58 : 4,099.59 = 1,089.18 : x
2. Step 2: Convert to fraction form
   2,732.58/4,099.59 = 1,089.18/x
3. Step 3: Cross multiply
   2,732.58x = 4,099.59 × 1,089.18
4. Step 4: Simplify right side
   2,732.58x = 4,465,191.44
5. Step 5: Solve for x
   x = 4,465,191.44/2,732.58
6. Step 6: Final answer
   x = 1,634.06