Finding the Fourth Proportional to 2,959.38, 4,440.15 and 1,726.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,959.38 : 4,440.15 = 1,726.56 : x
2. Step 2: Convert to fraction form
   2,959.38/4,440.15 = 1,726.56/x
3. Step 3: Cross multiply
   2,959.38x = 4,440.15 × 1,726.56
4. Step 4: Simplify right side
   2,959.38x = 7,666,185.38
5. Step 5: Solve for x
   x = 7,666,185.38/2,959.38
6. Step 6: Final answer
   x = 2,590.47