Finding the Fourth Proportional to 2,178.43, 3,006.89 and 1,480.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,178.43 : 3,006.89 = 1,480.21 : x
2. Step 2: Convert to fraction form
   2,178.43/3,006.89 = 1,480.21/x
3. Step 3: Cross multiply
   2,178.43x = 3,006.89 × 1,480.21
4. Step 4: Simplify right side
   2,178.43x = 4,450,819.28
5. Step 5: Solve for x
   x = 4,450,819.28/2,178.43
6. Step 6: Final answer
   x = 2,043.13