Finding the Fourth Proportional to 2,436.20, 3,654.22 and 974.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,436.20 : 3,654.22 = 974.96 : x
2. Step 2: Convert to fraction form
   2,436.20/3,654.22 = 974.96/x
3. Step 3: Cross multiply
   2,436.20x = 3,654.22 × 974.96
4. Step 4: Simplify right side
   2,436.20x = 3,562,718.33
5. Step 5: Solve for x
   x = 3,562,718.33/2,436.20
6. Step 6: Final answer
   x = 1,462.41