Finding the Fourth Proportional to 1,144.79, 1,719.92 and 734.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,144.79 : 1,719.92 = 734.73 : x
2. Step 2: Convert to fraction form
   1,144.79/1,719.92 = 734.73/x
3. Step 3: Cross multiply
   1,144.79x = 1,719.92 × 734.73
4. Step 4: Simplify right side
   1,144.79x = 1,263,664.55
5. Step 5: Solve for x
   x = 1,263,664.55/1,144.79
6. Step 6: Final answer
   x = 1,103.84