Finding the Fourth Proportional to 1,100.00, 1,648.86 and 369.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.00 : 1,648.86 = 369.33 : x
2. Step 2: Convert to fraction form
   1,100.00/1,648.86 = 369.33/x
3. Step 3: Cross multiply
   1,100.00x = 1,648.86 × 369.33
4. Step 4: Simplify right side
   1,100.00x = 608,973.46
5. Step 5: Solve for x
   x = 608,973.46/1,100.00
6. Step 6: Final answer
   x = 553.61