Finding the Fourth Proportional to 1,355.27, 1,870.26 and 734.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,355.27 : 1,870.26 = 734.27 : x
2. Step 2: Convert to fraction form
   1,355.27/1,870.26 = 734.27/x
3. Step 3: Cross multiply
   1,355.27x = 1,870.26 × 734.27
4. Step 4: Simplify right side
   1,355.27x = 1,373,276.29
5. Step 5: Solve for x
   x = 1,373,276.29/1,355.27
6. Step 6: Final answer
   x = 1,013.29