Finding the Fourth Proportional to 1,738.53, 2,399.61 and 1,171.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,738.53 : 2,399.61 = 1,171.46 : x
2. Step 2: Convert to fraction form
   1,738.53/2,399.61 = 1,171.46/x
3. Step 3: Cross multiply
   1,738.53x = 2,399.61 × 1,171.46
4. Step 4: Simplify right side
   1,738.53x = 2,811,035.13
5. Step 5: Solve for x
   x = 2,811,035.13/1,738.53
6. Step 6: Final answer
   x = 1,616.90