Finding the Fourth Proportional to 2,436.78, 3,654.17 and 935.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,436.78 : 3,654.17 = 935.57 : x
2. Step 2: Convert to fraction form
   2,436.78/3,654.17 = 935.57/x
3. Step 3: Cross multiply
   2,436.78x = 3,654.17 × 935.57
4. Step 4: Simplify right side
   2,436.78x = 3,418,739.79
5. Step 5: Solve for x
   x = 3,418,739.79/2,436.78
6. Step 6: Final answer
   x = 1,402.97