Finding the Fourth Proportional to 1,094.85, 1,641.69 and 401.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,094.85 : 1,641.69 = 401.33 : x
2. Step 2: Convert to fraction form
   1,094.85/1,641.69 = 401.33/x
3. Step 3: Cross multiply
   1,094.85x = 1,641.69 × 401.33
4. Step 4: Simplify right side
   1,094.85x = 658,863.55
5. Step 5: Solve for x
   x = 658,863.55/1,094.85
6. Step 6: Final answer
   x = 601.78