Finding the Fourth Proportional to 1,222.96, 1,833.56 and 573.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,222.96 : 1,833.56 = 573.34 : x
2. Step 2: Convert to fraction form
   1,222.96/1,833.56 = 573.34/x
3. Step 3: Cross multiply
   1,222.96x = 1,833.56 × 573.34
4. Step 4: Simplify right side
   1,222.96x = 1,051,253.29
5. Step 5: Solve for x
   x = 1,051,253.29/1,222.96
6. Step 6: Final answer
   x = 859.60