Finding the Fourth Proportional to 1,223.34, 1,834.71 and 573.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,223.34 : 1,834.71 = 573.42 : x
2. Step 2: Convert to fraction form
   1,223.34/1,834.71 = 573.42/x
3. Step 3: Cross multiply
   1,223.34x = 1,834.71 × 573.42
4. Step 4: Simplify right side
   1,223.34x = 1,052,059.41
5. Step 5: Solve for x
   x = 1,052,059.41/1,223.34
6. Step 6: Final answer
   x = 859.99