Finding the Fourth Proportional to 2,179.25, 3,007.05 and 1,282.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,179.25 : 3,007.05 = 1,282.46 : x
2. Step 2: Convert to fraction form
   2,179.25/3,007.05 = 1,282.46/x
3. Step 3: Cross multiply
   2,179.25x = 3,007.05 × 1,282.46
4. Step 4: Simplify right side
   2,179.25x = 3,856,418.63
5. Step 5: Solve for x
   x = 3,856,418.63/2,179.25
6. Step 6: Final answer
   x = 1,769.61