Finding the Fourth Proportional to 4,522.86, 6,242.28 and 3,105.37

Step by Step Solution

1. Step 1: Write the proportion equation
   4,522.86 : 6,242.28 = 3,105.37 : x
2. Step 2: Convert to fraction form
   4,522.86/6,242.28 = 3,105.37/x
3. Step 3: Cross multiply
   4,522.86x = 6,242.28 × 3,105.37
4. Step 4: Simplify right side
   4,522.86x = 19,384,589.04
5. Step 5: Solve for x
   x = 19,384,589.04/4,522.86
6. Step 6: Final answer
   x = 4,285.91