Finding the Fourth Proportional to 1,469.83, 2,028.68 and 880.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,469.83 : 2,028.68 = 880.71 : x
2. Step 2: Convert to fraction form
   1,469.83/2,028.68 = 880.71/x
3. Step 3: Cross multiply
   1,469.83x = 2,028.68 × 880.71
4. Step 4: Simplify right side
   1,469.83x = 1,786,667.14
5. Step 5: Solve for x
   x = 1,786,667.14/1,469.83
6. Step 6: Final answer
   x = 1,215.56