Finding the Fourth Proportional to 1,225.94, 1,839.03 and 404.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,225.94 : 1,839.03 = 404.02 : x
2. Step 2: Convert to fraction form
   1,225.94/1,839.03 = 404.02/x
3. Step 3: Cross multiply
   1,225.94x = 1,839.03 × 404.02
4. Step 4: Simplify right side
   1,225.94x = 742,993.69
5. Step 5: Solve for x
   x = 742,993.69/1,225.94
6. Step 6: Final answer
   x = 606.06