Finding the Fourth Proportional to 1,164.83, 1,745.42 and 548.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,164.83 : 1,745.42 = 548.42 : x
2. Step 2: Convert to fraction form
   1,164.83/1,745.42 = 548.42/x
3. Step 3: Cross multiply
   1,164.83x = 1,745.42 × 548.42
4. Step 4: Simplify right side
   1,164.83x = 957,211.77
5. Step 5: Solve for x
   x = 957,211.77/1,164.83
6. Step 6: Final answer
   x = 821.76