Finding the Fourth Proportional to 1,093.98, 1,640.61 and 363.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,093.98 : 1,640.61 = 363.34 : x
2. Step 2: Convert to fraction form
   1,093.98/1,640.61 = 363.34/x
3. Step 3: Cross multiply
   1,093.98x = 1,640.61 × 363.34
4. Step 4: Simplify right side
   1,093.98x = 596,099.24
5. Step 5: Solve for x
   x = 596,099.24/1,093.98
6. Step 6: Final answer
   x = 544.89