Finding the Fourth Proportional to 2,280.10, 3,144.88 and 1,609.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,280.10 : 3,144.88 = 1,609.28 : x
2. Step 2: Convert to fraction form
   2,280.10/3,144.88 = 1,609.28/x
3. Step 3: Cross multiply
   2,280.10x = 3,144.88 × 1,609.28
4. Step 4: Simplify right side
   2,280.10x = 5,060,992.49
5. Step 5: Solve for x
   x = 5,060,992.49/2,280.10
6. Step 6: Final answer
   x = 2,219.64