Finding the Fourth Proportional to 2,905.43, 4,357.71 and 957.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,905.43 : 4,357.71 = 957.38 : x
2. Step 2: Convert to fraction form
   2,905.43/4,357.71 = 957.38/x
3. Step 3: Cross multiply
   2,905.43x = 4,357.71 × 957.38
4. Step 4: Simplify right side
   2,905.43x = 4,171,962.61
5. Step 5: Solve for x
   x = 4,171,962.61/2,905.43
6. Step 6: Final answer
   x = 1,435.92