Finding the Fourth Proportional to 3,619.01, 5,414.16 and 2,280.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,619.01 : 5,414.16 = 2,280.15 : x
2. Step 2: Convert to fraction form
   3,619.01/5,414.16 = 2,280.15/x
3. Step 3: Cross multiply
   3,619.01x = 5,414.16 × 2,280.15
4. Step 4: Simplify right side
   3,619.01x = 12,345,096.92
5. Step 5: Solve for x
   x = 12,345,096.92/3,619.01
6. Step 6: Final answer
   x = 3,411.19