Finding the Fourth Proportional to 1,726.69, 2,589.03 and 1,179.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,726.69 : 2,589.03 = 1,179.53 : x
2. Step 2: Convert to fraction form
   1,726.69/2,589.03 = 1,179.53/x
3. Step 3: Cross multiply
   1,726.69x = 2,589.03 × 1,179.53
4. Step 4: Simplify right side
   1,726.69x = 3,053,838.56
5. Step 5: Solve for x
   x = 3,053,838.56/1,726.69
6. Step 6: Final answer
   x = 1,768.61