Finding the Fourth Proportional to 4,085.85, 5,638.55 and 2,317.43

Step by Step Solution

1. Step 1: Write the proportion equation
   4,085.85 : 5,638.55 = 2,317.43 : x
2. Step 2: Convert to fraction form
   4,085.85/5,638.55 = 2,317.43/x
3. Step 3: Cross multiply
   4,085.85x = 5,638.55 × 2,317.43
4. Step 4: Simplify right side
   4,085.85x = 13,066,922.53
5. Step 5: Solve for x
   x = 13,066,922.53/4,085.85
6. Step 6: Final answer
   x = 3,198.09