Finding the Fourth Proportional to 3,683.06, 5,523.77 and 1,085.39

Step by Step Solution

1. Step 1: Write the proportion equation
   3,683.06 : 5,523.77 = 1,085.39 : x
2. Step 2: Convert to fraction form
   3,683.06/5,523.77 = 1,085.39/x
3. Step 3: Cross multiply
   3,683.06x = 5,523.77 × 1,085.39
4. Step 4: Simplify right side
   3,683.06x = 5,995,419.81
5. Step 5: Solve for x
   x = 5,995,419.81/3,683.06
6. Step 6: Final answer
   x = 1,627.84