Finding the Fourth Proportional to 1,730.82, 2,387.70 and 1,171.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,730.82 : 2,387.70 = 1,171.49 : x
2. Step 2: Convert to fraction form
   1,730.82/2,387.70 = 1,171.49/x
3. Step 3: Cross multiply
   1,730.82x = 2,387.70 × 1,171.49
4. Step 4: Simplify right side
   1,730.82x = 2,797,154.73
5. Step 5: Solve for x
   x = 2,797,154.73/1,730.82
6. Step 6: Final answer
   x = 1,616.09