Finding the Fourth Proportional to 1,100.82, 1,651.41 and 553.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.82 : 1,651.41 = 553.02 : x
2. Step 2: Convert to fraction form
   1,100.82/1,651.41 = 553.02/x
3. Step 3: Cross multiply
   1,100.82x = 1,651.41 × 553.02
4. Step 4: Simplify right side
   1,100.82x = 913,262.76
5. Step 5: Solve for x
   x = 913,262.76/1,100.82
6. Step 6: Final answer
   x = 829.62