Finding the Fourth Proportional to 1,545.57, 2,132.78 and 882.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,545.57 : 2,132.78 = 882.41 : x
2. Step 2: Convert to fraction form
   1,545.57/2,132.78 = 882.41/x
3. Step 3: Cross multiply
   1,545.57x = 2,132.78 × 882.41
4. Step 4: Simplify right side
   1,545.57x = 1,881,971.32
5. Step 5: Solve for x
   x = 1,881,971.32/1,545.57
6. Step 6: Final answer
   x = 1,217.66