Finding the Fourth Proportional to 2,188.56, 3,019.18 and 1,480.65

Step by Step Solution

1. Step 1: Write the proportion equation
   2,188.56 : 3,019.18 = 1,480.65 : x
2. Step 2: Convert to fraction form
   2,188.56/3,019.18 = 1,480.65/x
3. Step 3: Cross multiply
   2,188.56x = 3,019.18 × 1,480.65
4. Step 4: Simplify right side
   2,188.56x = 4,470,348.87
5. Step 5: Solve for x
   x = 4,470,348.87/2,188.56
6. Step 6: Final answer
   x = 2,042.60