Finding the Fourth Proportional to 2,436.38, 3,654.60 and 877.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,436.38 : 3,654.60 = 877.50 : x
2. Step 2: Convert to fraction form
   2,436.38/3,654.60 = 877.50/x
3. Step 3: Cross multiply
   2,436.38x = 3,654.60 × 877.50
4. Step 4: Simplify right side
   2,436.38x = 3,206,888.84
5. Step 5: Solve for x
   x = 3,206,888.84/2,436.38
6. Step 6: Final answer
   x = 1,316.25