Finding the Fourth Proportional to 2,179.10, 3,007.17 and 1,294.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,179.10 : 3,007.17 = 1,294.73 : x
2. Step 2: Convert to fraction form
   2,179.10/3,007.17 = 1,294.73/x
3. Step 3: Cross multiply
   2,179.10x = 3,007.17 × 1,294.73
4. Step 4: Simplify right side
   2,179.10x = 3,893,474.31
5. Step 5: Solve for x
   x = 3,893,474.31/2,179.10
6. Step 6: Final answer
   x = 1,786.74