Finding the Fourth Proportional to 2,622.72, 3,929.04 and 1,469.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,622.72 : 3,929.04 = 1,469.28 : x
2. Step 2: Convert to fraction form
   2,622.72/3,929.04 = 1,469.28/x
3. Step 3: Cross multiply
   2,622.72x = 3,929.04 × 1,469.28
4. Step 4: Simplify right side
   2,622.72x = 5,772,859.89
5. Step 5: Solve for x
   x = 5,772,859.89/2,622.72
6. Step 6: Final answer
   x = 2,201.10