Finding the Fourth Proportional to 1,738.98, 2,398.89 and 1,179.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,738.98 : 2,398.89 = 1,179.25 : x
2. Step 2: Convert to fraction form
   1,738.98/2,398.89 = 1,179.25/x
3. Step 3: Cross multiply
   1,738.98x = 2,398.89 × 1,179.25
4. Step 4: Simplify right side
   1,738.98x = 2,828,891.03
5. Step 5: Solve for x
   x = 2,828,891.03/1,738.98
6. Step 6: Final answer
   x = 1,626.75