Finding the Fourth Proportional to 3,682.84, 5,523.18 and 1,085.20

Step by Step Solution

1. Step 1: Write the proportion equation
   3,682.84 : 5,523.18 = 1,085.20 : x
2. Step 2: Convert to fraction form
   3,682.84/5,523.18 = 1,085.20/x
3. Step 3: Cross multiply
   3,682.84x = 5,523.18 × 1,085.20
4. Step 4: Simplify right side
   3,682.84x = 5,993,754.94
5. Step 5: Solve for x
   x = 5,993,754.94/3,682.84
6. Step 6: Final answer
   x = 1,627.48