Finding the Fourth Proportional to 3,683.17, 5,524.35 and 1,085.91

Step by Step Solution

1. Step 1: Write the proportion equation
   3,683.17 : 5,524.35 = 1,085.91 : x
2. Step 2: Convert to fraction form
   3,683.17/5,524.35 = 1,085.91/x
3. Step 3: Cross multiply
   3,683.17x = 5,524.35 × 1,085.91
4. Step 4: Simplify right side
   3,683.17x = 5,998,928.23
5. Step 5: Solve for x
   x = 5,998,928.23/3,683.17
6. Step 6: Final answer
   x = 1,628.74