Finding the Fourth Proportional to 1,222.24, 1,833.42 and 452.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,222.24 : 1,833.42 = 452.56 : x
2. Step 2: Convert to fraction form
   1,222.24/1,833.42 = 452.56/x
3. Step 3: Cross multiply
   1,222.24x = 1,833.42 × 452.56
4. Step 4: Simplify right side
   1,222.24x = 829,732.56
5. Step 5: Solve for x
   x = 829,732.56/1,222.24
6. Step 6: Final answer
   x = 678.86