Finding the Fourth Proportional to 1,734.30, 2,392.56 and 1,174.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,734.30 : 2,392.56 = 1,174.56 : x
2. Step 2: Convert to fraction form
   1,734.30/2,392.56 = 1,174.56/x
3. Step 3: Cross multiply
   1,734.30x = 2,392.56 × 1,174.56
4. Step 4: Simplify right side
   1,734.30x = 2,810,205.27
5. Step 5: Solve for x
   x = 2,810,205.27/1,734.30
6. Step 6: Final answer
   x = 1,620.37