Finding the Fourth Proportional to 1,100.39, 1,650.58 and 369.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.39 : 1,650.58 = 369.96 : x
2. Step 2: Convert to fraction form
   1,100.39/1,650.58 = 369.96/x
3. Step 3: Cross multiply
   1,100.39x = 1,650.58 × 369.96
4. Step 4: Simplify right side
   1,100.39x = 610,648.58
5. Step 5: Solve for x
   x = 610,648.58/1,100.39
6. Step 6: Final answer
   x = 554.94