Finding the Fourth Proportional to 1,469.92, 2,028.52 and 880.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,469.92 : 2,028.52 = 880.48 : x
2. Step 2: Convert to fraction form
   1,469.92/2,028.52 = 880.48/x
3. Step 3: Cross multiply
   1,469.92x = 2,028.52 × 880.48
4. Step 4: Simplify right side
   1,469.92x = 1,786,071.29
5. Step 5: Solve for x
   x = 1,786,071.29/1,469.92
6. Step 6: Final answer
   x = 1,215.08