Finding the Fourth Proportional to 3,822.86, 5,760.34 and 3,144.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,822.86 : 5,760.34 = 3,144.72 : x
2. Step 2: Convert to fraction form
   3,822.86/5,760.34 = 3,144.72/x
3. Step 3: Cross multiply
   3,822.86x = 5,760.34 × 3,144.72
4. Step 4: Simplify right side
   3,822.86x = 18,114,656.40
5. Step 5: Solve for x
   x = 18,114,656.40/3,822.86
6. Step 6: Final answer
   x = 4,738.51