Finding the Fourth Proportional to 758.89, 1,144.69 and 713.94

Step by Step Solution

1. Step 1: Write the proportion equation
   758.89 : 1,144.69 = 713.94 : x
2. Step 2: Convert to fraction form
   758.89/1,144.69 = 713.94/x
3. Step 3: Cross multiply
   758.89x = 1,144.69 × 713.94
4. Step 4: Simplify right side
   758.89x = 817,239.98
5. Step 5: Solve for x
   x = 817,239.98/758.89
6. Step 6: Final answer
   x = 1,076.89