Finding the Fourth Proportional to 1,222.09, 1,833.25 and 400.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,222.09 : 1,833.25 = 400.37 : x
2. Step 2: Convert to fraction form
   1,222.09/1,833.25 = 400.37/x
3. Step 3: Cross multiply
   1,222.09x = 1,833.25 × 400.37
4. Step 4: Simplify right side
   1,222.09x = 733,978.30
5. Step 5: Solve for x
   x = 733,978.30/1,222.09
6. Step 6: Final answer
   x = 600.59