Finding the Fourth Proportional to 2,436.30, 3,654.47 and 877.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,436.30 : 3,654.47 = 877.42 : x
2. Step 2: Convert to fraction form
   2,436.30/3,654.47 = 877.42/x
3. Step 3: Cross multiply
   2,436.30x = 3,654.47 × 877.42
4. Step 4: Simplify right side
   2,436.30x = 3,206,511.83
5. Step 5: Solve for x
   x = 3,206,511.83/2,436.30
6. Step 6: Final answer
   x = 1,316.14