Finding the Fourth Proportional to 2,601.42, 3,902.38 and 957.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,601.42 : 3,902.38 = 957.58 : x
2. Step 2: Convert to fraction form
   2,601.42/3,902.38 = 957.58/x
3. Step 3: Cross multiply
   2,601.42x = 3,902.38 × 957.58
4. Step 4: Simplify right side
   2,601.42x = 3,736,841.04
5. Step 5: Solve for x
   x = 3,736,841.04/2,601.42
6. Step 6: Final answer
   x = 1,436.46