Finding the Fourth Proportional to 1,436.92, 1,982.74 and 877.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,436.92 : 1,982.74 = 877.41 : x
2. Step 2: Convert to fraction form
   1,436.92/1,982.74 = 877.41/x
3. Step 3: Cross multiply
   1,436.92x = 1,982.74 × 877.41
4. Step 4: Simplify right side
   1,436.92x = 1,739,675.90
5. Step 5: Solve for x
   x = 1,739,675.90/1,436.92
6. Step 6: Final answer
   x = 1,210.70