Finding the Fourth Proportional to 3,640.63, 5,025.98 and 2,451.87

Step by Step Solution

1. Step 1: Write the proportion equation
   3,640.63 : 5,025.98 = 2,451.87 : x
2. Step 2: Convert to fraction form
   3,640.63/5,025.98 = 2,451.87/x
3. Step 3: Cross multiply
   3,640.63x = 5,025.98 × 2,451.87
4. Step 4: Simplify right side
   3,640.63x = 12,323,049.58
5. Step 5: Solve for x
   x = 12,323,049.58/3,640.63
6. Step 6: Final answer
   x = 3,384.87