Finding the Fourth Proportional to 2,280.04, 3,417.61 and 1,628.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,280.04 : 3,417.61 = 1,628.80 : x
2. Step 2: Convert to fraction form
   2,280.04/3,417.61 = 1,628.80/x
3. Step 3: Cross multiply
   2,280.04x = 3,417.61 × 1,628.80
4. Step 4: Simplify right side
   2,280.04x = 5,566,603.17
5. Step 5: Solve for x
   x = 5,566,603.17/2,280.04
6. Step 6: Final answer
   x = 2,441.45