Finding the Fourth Proportional to 1,300.69, 1,794.96 and 711.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.69 : 1,794.96 = 711.23 : x
2. Step 2: Convert to fraction form
   1,300.69/1,794.96 = 711.23/x
3. Step 3: Cross multiply
   1,300.69x = 1,794.96 × 711.23
4. Step 4: Simplify right side
   1,300.69x = 1,276,625.84
5. Step 5: Solve for x
   x = 1,276,625.84/1,300.69
6. Step 6: Final answer
   x = 981.50