Finding the Fourth Proportional to 3,895.20, 5,375.34 and 2,402.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,895.20 : 5,375.34 = 2,402.52 : x
2. Step 2: Convert to fraction form
   3,895.20/5,375.34 = 2,402.52/x
3. Step 3: Cross multiply
   3,895.20x = 5,375.34 × 2,402.52
4. Step 4: Simplify right side
   3,895.20x = 12,914,361.86
5. Step 5: Solve for x
   x = 12,914,361.86/3,895.20
6. Step 6: Final answer
   x = 3,315.46