Finding the Fourth Proportional to 1,545.49, 2,132.72 and 882.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,545.49 : 2,132.72 = 882.56 : x
2. Step 2: Convert to fraction form
   1,545.49/2,132.72 = 882.56/x
3. Step 3: Cross multiply
   1,545.49x = 2,132.72 × 882.56
4. Step 4: Simplify right side
   1,545.49x = 1,882,253.36
5. Step 5: Solve for x
   x = 1,882,253.36/1,545.49
6. Step 6: Final answer
   x = 1,217.90