Finding the Fourth Proportional to 1,100.72, 1,650.53 and 369.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.72 : 1,650.53 = 369.77 : x
2. Step 2: Convert to fraction form
   1,100.72/1,650.53 = 369.77/x
3. Step 3: Cross multiply
   1,100.72x = 1,650.53 × 369.77
4. Step 4: Simplify right side
   1,100.72x = 610,309.15
5. Step 5: Solve for x
   x = 610,309.15/1,100.72
6. Step 6: Final answer
   x = 554.46