Finding the Fourth Proportional to 2,687.95, 4,013.52 and 2,408.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,687.95 : 4,013.52 = 2,408.50 : x
2. Step 2: Convert to fraction form
   2,687.95/4,013.52 = 2,408.50/x
3. Step 3: Cross multiply
   2,687.95x = 4,013.52 × 2,408.50
4. Step 4: Simplify right side
   2,687.95x = 9,666,552.89
5. Step 5: Solve for x
   x = 9,666,552.89/2,687.95
6. Step 6: Final answer
   x = 3,596.26