Finding the Fourth Proportional to 1,162.09, 1,743.71 and 545.85

Step by Step Solution

1. Step 1: Write the proportion equation
   1,162.09 : 1,743.71 = 545.85 : x
2. Step 2: Convert to fraction form
   1,162.09/1,743.71 = 545.85/x
3. Step 3: Cross multiply
   1,162.09x = 1,743.71 × 545.85
4. Step 4: Simplify right side
   1,162.09x = 951,804.10
5. Step 5: Solve for x
   x = 951,804.10/1,162.09
6. Step 6: Final answer
   x = 819.05