Finding the Fourth Proportional to 1,734.73, 2,391.52 and 1,174.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,734.73 : 2,391.52 = 1,174.31 : x
2. Step 2: Convert to fraction form
   1,734.73/2,391.52 = 1,174.31/x
3. Step 3: Cross multiply
   1,734.73x = 2,391.52 × 1,174.31
4. Step 4: Simplify right side
   1,734.73x = 2,808,385.85
5. Step 5: Solve for x
   x = 2,808,385.85/1,734.73
6. Step 6: Final answer
   x = 1,618.92