Finding the Fourth Proportional to 3,685.26, 5,522.72 and 3,135.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,685.26 : 5,522.72 = 3,135.27 : x
2. Step 2: Convert to fraction form
   3,685.26/5,522.72 = 3,135.27/x
3. Step 3: Cross multiply
   3,685.26x = 5,522.72 × 3,135.27
4. Step 4: Simplify right side
   3,685.26x = 17,315,223.37
5. Step 5: Solve for x
   x = 17,315,223.37/3,685.26
6. Step 6: Final answer
   x = 4,698.50