Finding the Fourth Proportional to 1,545.43, 2,132.72 and 882.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,545.43 : 2,132.72 = 882.27 : x
2. Step 2: Convert to fraction form
   1,545.43/2,132.72 = 882.27/x
3. Step 3: Cross multiply
   1,545.43x = 2,132.72 × 882.27
4. Step 4: Simplify right side
   1,545.43x = 1,881,637.08
5. Step 5: Solve for x
   x = 1,881,637.08/1,545.43
6. Step 6: Final answer
   x = 1,217.55