Finding the Fourth Proportional to 1,545.50, 2,132.79 and 846.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,545.50 : 2,132.79 = 846.89 : x
2. Step 2: Convert to fraction form
   1,545.50/2,132.79 = 846.89/x
3. Step 3: Cross multiply
   1,545.50x = 2,132.79 × 846.89
4. Step 4: Simplify right side
   1,545.50x = 1,806,238.52
5. Step 5: Solve for x
   x = 1,806,238.52/1,545.50
6. Step 6: Final answer
   x = 1,168.71