Finding the Fourth Proportional to 1,097.33, 1,646.72 and 404.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,097.33 : 1,646.72 = 404.01 : x
2. Step 2: Convert to fraction form
   1,097.33/1,646.72 = 404.01/x
3. Step 3: Cross multiply
   1,097.33x = 1,646.72 × 404.01
4. Step 4: Simplify right side
   1,097.33x = 665,283.15
5. Step 5: Solve for x
   x = 665,283.15/1,097.33
6. Step 6: Final answer
   x = 606.27