Finding the Fourth Proportional to 1,545.67, 2,132.89 and 882.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,545.67 : 2,132.89 = 882.55 : x
2. Step 2: Convert to fraction form
   1,545.67/2,132.89 = 882.55/x
3. Step 3: Cross multiply
   1,545.67x = 2,132.89 × 882.55
4. Step 4: Simplify right side
   1,545.67x = 1,882,382.07
5. Step 5: Solve for x
   x = 1,882,382.07/1,545.67
6. Step 6: Final answer
   x = 1,217.84