Finding the Fourth Proportional to 1,436.43, 1,982.22 and 877.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,436.43 : 1,982.22 = 877.83 : x
2. Step 2: Convert to fraction form
   1,436.43/1,982.22 = 877.83/x
3. Step 3: Cross multiply
   1,436.43x = 1,982.22 × 877.83
4. Step 4: Simplify right side
   1,436.43x = 1,740,048.89
5. Step 5: Solve for x
   x = 1,740,048.89/1,436.43
6. Step 6: Final answer
   x = 1,211.37