Finding the Fourth Proportional to 1,545.45, 2,132.72 and 846.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,545.45 : 2,132.72 = 846.83 : x
2. Step 2: Convert to fraction form
   1,545.45/2,132.72 = 846.83/x
3. Step 3: Cross multiply
   1,545.45x = 2,132.72 × 846.83
4. Step 4: Simplify right side
   1,545.45x = 1,806,036.38
5. Step 5: Solve for x
   x = 1,806,036.38/1,545.45
6. Step 6: Final answer
   x = 1,168.62