Finding the Fourth Proportional to 1,168.88, 1,753.83 and 553.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,168.88 : 1,753.83 = 553.02 : x
2. Step 2: Convert to fraction form
   1,168.88/1,753.83 = 553.02/x
3. Step 3: Cross multiply
   1,168.88x = 1,753.83 × 553.02
4. Step 4: Simplify right side
   1,168.88x = 969,900.30
5. Step 5: Solve for x
   x = 969,900.30/1,168.88
6. Step 6: Final answer
   x = 829.77