Finding the Fourth Proportional to 3,849.40, 5,315.58 and 2,435.68

Step by Step Solution

1. Step 1: Write the proportion equation
   3,849.40 : 5,315.58 = 2,435.68 : x
2. Step 2: Convert to fraction form
   3,849.40/5,315.58 = 2,435.68/x
3. Step 3: Cross multiply
   3,849.40x = 5,315.58 × 2,435.68
4. Step 4: Simplify right side
   3,849.40x = 12,947,051.89
5. Step 5: Solve for x
   x = 12,947,051.89/3,849.40
6. Step 6: Final answer
   x = 3,363.39