Finding the Fourth Proportional to 1,293.89, 1,785.59 and 734.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,293.89 : 1,785.59 = 734.35 : x
2. Step 2: Convert to fraction form
   1,293.89/1,785.59 = 734.35/x
3. Step 3: Cross multiply
   1,293.89x = 1,785.59 × 734.35
4. Step 4: Simplify right side
   1,293.89x = 1,311,248.02
5. Step 5: Solve for x
   x = 1,311,248.02/1,293.89
6. Step 6: Final answer
   x = 1,013.42