Finding the Fourth Proportional to 1,013.54, 1,517.06 and 543.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,013.54 : 1,517.06 = 543.83 : x
2. Step 2: Convert to fraction form
   1,013.54/1,517.06 = 543.83/x
3. Step 3: Cross multiply
   1,013.54x = 1,517.06 × 543.83
4. Step 4: Simplify right side
   1,013.54x = 825,012.44
5. Step 5: Solve for x
   x = 825,012.44/1,013.54
6. Step 6: Final answer
   x = 814.00