Finding the Fourth Proportional to 1,222.34, 1,833.15 and 356.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,222.34 : 1,833.15 = 356.42 : x
2. Step 2: Convert to fraction form
   1,222.34/1,833.15 = 356.42/x
3. Step 3: Cross multiply
   1,222.34x = 1,833.15 × 356.42
4. Step 4: Simplify right side
   1,222.34x = 653,371.32
5. Step 5: Solve for x
   x = 653,371.32/1,222.34
6. Step 6: Final answer
   x = 534.53