Finding the Fourth Proportional to 1,470.07, 2,028.88 and 880.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,470.07 : 2,028.88 = 880.59 : x
2. Step 2: Convert to fraction form
   1,470.07/2,028.88 = 880.59/x
3. Step 3: Cross multiply
   1,470.07x = 2,028.88 × 880.59
4. Step 4: Simplify right side
   1,470.07x = 1,786,620.15
5. Step 5: Solve for x
   x = 1,786,620.15/1,470.07
6. Step 6: Final answer
   x = 1,215.33