Finding the Fourth Proportional to 1,223.94, 1,836.23 and 710.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,223.94 : 1,836.23 = 710.50 : x
2. Step 2: Convert to fraction form
   1,223.94/1,836.23 = 710.50/x
3. Step 3: Cross multiply
   1,223.94x = 1,836.23 × 710.50
4. Step 4: Simplify right side
   1,223.94x = 1,304,641.42
5. Step 5: Solve for x
   x = 1,304,641.42/1,223.94
6. Step 6: Final answer
   x = 1,065.94