Finding the Fourth Proportional to 1,100.98, 1,650.48 and 553.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.98 : 1,650.48 = 553.33 : x
2. Step 2: Convert to fraction form
   1,100.98/1,650.48 = 553.33/x
3. Step 3: Cross multiply
   1,100.98x = 1,650.48 × 553.33
4. Step 4: Simplify right side
   1,100.98x = 913,260.10
5. Step 5: Solve for x
   x = 913,260.10/1,100.98
6. Step 6: Final answer
   x = 829.50