Finding the Fourth Proportional to 1,738.72, 2,397.41 and 1,179.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,738.72 : 2,397.41 = 1,179.55 : x
2. Step 2: Convert to fraction form
   1,738.72/2,397.41 = 1,179.55/x
3. Step 3: Cross multiply
   1,738.72x = 2,397.41 × 1,179.55
4. Step 4: Simplify right side
   1,738.72x = 2,827,859.64
5. Step 5: Solve for x
   x = 2,827,859.64/1,738.72
6. Step 6: Final answer
   x = 1,626.41