Finding the Fourth Proportional to 2,415.69, 3,622.05 and 1,028.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,415.69 : 3,622.05 = 1,028.23 : x
2. Step 2: Convert to fraction form
   2,415.69/3,622.05 = 1,028.23/x
3. Step 3: Cross multiply
   2,415.69x = 3,622.05 × 1,028.23
4. Step 4: Simplify right side
   2,415.69x = 3,724,300.47
5. Step 5: Solve for x
   x = 3,724,300.47/2,415.69
6. Step 6: Final answer
   x = 1,541.71