Finding the Fourth Proportional to 2,415.54, 3,622.29 and 1,028.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,415.54 : 3,622.29 = 1,028.82 : x
2. Step 2: Convert to fraction form
   2,415.54/3,622.29 = 1,028.82/x
3. Step 3: Cross multiply
   2,415.54x = 3,622.29 × 1,028.82
4. Step 4: Simplify right side
   2,415.54x = 3,726,684.40
5. Step 5: Solve for x
   x = 3,726,684.40/2,415.54
6. Step 6: Final answer
   x = 1,542.80