Finding the Fourth Proportional to 1,094.42, 1,640.58 and 363.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,094.42 : 1,640.58 = 363.60 : x
2. Step 2: Convert to fraction form
   1,094.42/1,640.58 = 363.60/x
3. Step 3: Cross multiply
   1,094.42x = 1,640.58 × 363.60
4. Step 4: Simplify right side
   1,094.42x = 596,514.89
5. Step 5: Solve for x
   x = 596,514.89/1,094.42
6. Step 6: Final answer
   x = 545.05