Finding the Fourth Proportional to 3,888.12, 5,363.87 and 2,395.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,888.12 : 5,363.87 = 2,395.50 : x
2. Step 2: Convert to fraction form
   3,888.12/5,363.87 = 2,395.50/x
3. Step 3: Cross multiply
   3,888.12x = 5,363.87 × 2,395.50
4. Step 4: Simplify right side
   3,888.12x = 12,849,150.59
5. Step 5: Solve for x
   x = 12,849,150.59/3,888.12
6. Step 6: Final answer
   x = 3,304.72