Finding the Fourth Proportional to 1,171.05, 1,616.31 and 745.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,171.05 : 1,616.31 = 745.59 : x
2. Step 2: Convert to fraction form
   1,171.05/1,616.31 = 745.59/x
3. Step 3: Cross multiply
   1,171.05x = 1,616.31 × 745.59
4. Step 4: Simplify right side
   1,171.05x = 1,205,104.57
5. Step 5: Solve for x
   x = 1,205,104.57/1,171.05
6. Step 6: Final answer
   x = 1,029.08